diff --git a/.homeycompose/flow/actions/alarm_switch_off.json b/.homeycompose/flow/actions/alarm_switch_off.json
index d61e8dd1..6d830064 100644
--- a/.homeycompose/flow/actions/alarm_switch_off.json
+++ b/.homeycompose/flow/actions/alarm_switch_off.json
@@ -7,7 +7,7 @@
       "name": "device",
       "type": "device",
       "filter": {
-        "driver_id": "sensor_smoke",
+        "driver_id": "sensor_smoke|sensor_co2",
         "capabilities": "onoff.alarm_switch"
       },
       "title": {
diff --git a/.homeycompose/flow/actions/alarm_switch_on.json b/.homeycompose/flow/actions/alarm_switch_on.json
index 8eed821d..35261020 100644
--- a/.homeycompose/flow/actions/alarm_switch_on.json
+++ b/.homeycompose/flow/actions/alarm_switch_on.json
@@ -7,7 +7,7 @@
       "name": "device",
       "type": "device",
       "filter": {
-        "driver_id": "sensor_smoke",
+        "driver_id": "sensor_smoke|sensor_co2",
         "capabilities": "onoff.alarm_switch"
       },
       "title": {
diff --git a/.homeycompose/flow/actions/send_command_boolean.json b/.homeycompose/flow/actions/send_command_boolean.json
index f3175dfd..2f17f9f6 100644
--- a/.homeycompose/flow/actions/send_command_boolean.json
+++ b/.homeycompose/flow/actions/send_command_boolean.json
@@ -13,7 +13,7 @@
       "name": "device",
       "type": "device",
       "filter": {
-        "driver_id": "button|camera|circuit_breaker|dimmer|doorbell|fan|garage_door|heater|irrigator|light|other|sensor_climate|sensor_contact|sensor_human|sensor_motion|sensor_smoke|siren|socket|thermostat|window_coverings"
+        "driver_id": "button|camera|circuit_breaker|dimmer|doorbell|fan|garage_door|heater|irrigator|light|other|sensor_climate|sensor_co2|sensor_contact|sensor_human|sensor_motion|sensor_smoke|siren|socket|thermostat|window_coverings"
       },
       "title": {
         "en": "Device"
diff --git a/.homeycompose/flow/actions/send_command_json.json b/.homeycompose/flow/actions/send_command_json.json
index 22c1bd5f..02788c80 100644
--- a/.homeycompose/flow/actions/send_command_json.json
+++ b/.homeycompose/flow/actions/send_command_json.json
@@ -13,7 +13,7 @@
       "name": "device",
       "type": "device",
       "filter": {
-        "driver_id": "button|camera|circuit_breaker|dimmer|doorbell|fan|garage_door|heater|irrigator|light|other|sensor_climate|sensor_contact|sensor_human|sensor_motion|sensor_smoke|siren|socket|thermostat|window_coverings"
+        "driver_id": "button|camera|circuit_breaker|dimmer|doorbell|fan|garage_door|heater|irrigator|light|other|sensor_climate|sensor_co2|sensor_contact|sensor_human|sensor_motion|sensor_smoke|siren|socket|thermostat|window_coverings"
       },
       "title": {
         "en": "Device"
diff --git a/.homeycompose/flow/actions/send_command_number.json b/.homeycompose/flow/actions/send_command_number.json
index 57b3c985..1384993d 100644
--- a/.homeycompose/flow/actions/send_command_number.json
+++ b/.homeycompose/flow/actions/send_command_number.json
@@ -13,7 +13,7 @@
       "name": "device",
       "type": "device",
       "filter": {
-        "driver_id": "button|camera|circuit_breaker|dimmer|doorbell|fan|garage_door|heater|irrigator|light|other|sensor_climate|sensor_contact|sensor_human|sensor_motion|sensor_smoke|siren|socket|thermostat|window_coverings"
+        "driver_id": "button|camera|circuit_breaker|dimmer|doorbell|fan|garage_door|heater|irrigator|light|other|sensor_climate|sensor_co2|sensor_contact|sensor_human|sensor_motion|sensor_smoke|siren|socket|thermostat|window_coverings"
       },
       "title": {
         "en": "Device"
diff --git a/.homeycompose/flow/actions/send_command_string.json b/.homeycompose/flow/actions/send_command_string.json
index 2951d510..67d35084 100644
--- a/.homeycompose/flow/actions/send_command_string.json
+++ b/.homeycompose/flow/actions/send_command_string.json
@@ -13,7 +13,7 @@
       "name": "device",
       "type": "device",
       "filter": {
-        "driver_id": "button|camera|circuit_breaker|dimmer|doorbell|fan|garage_door|heater|irrigator|light|other|sensor_climate|sensor_contact|sensor_human|sensor_motion|sensor_smoke|siren|socket|thermostat|window_coverings"
+        "driver_id": "button|camera|circuit_breaker|dimmer|doorbell|fan|garage_door|heater|irrigator|light|other|sensor_climate|sensor_co2|sensor_contact|sensor_human|sensor_motion|sensor_smoke|siren|socket|thermostat|window_coverings"
       },
       "title": {
         "en": "Device"
diff --git a/.homeycompose/flow/actions/set_sensor_alarm_bright.json b/.homeycompose/flow/actions/set_sensor_alarm_bright.json
index 7ff3ddb2..061d40b5 100644
--- a/.homeycompose/flow/actions/set_sensor_alarm_bright.json
+++ b/.homeycompose/flow/actions/set_sensor_alarm_bright.json
@@ -10,7 +10,7 @@
       "name": "device",
       "type": "device",
       "filter": {
-        "driver_id": "sensor_smoke",
+        "driver_id": "sensor_smoke|sensor_co2",
         "capabilities": "hidden.alarm_bright"
       },
       "title": {
diff --git a/.homeycompose/flow/actions/set_sensor_alarm_ringtone.json b/.homeycompose/flow/actions/set_sensor_alarm_ringtone.json
index c0da2d44..7f1fb096 100644
--- a/.homeycompose/flow/actions/set_sensor_alarm_ringtone.json
+++ b/.homeycompose/flow/actions/set_sensor_alarm_ringtone.json
@@ -10,7 +10,7 @@
       "name": "device",
       "type": "device",
       "filter": {
-        "driver_id": "sensor_smoke",
+        "driver_id": "sensor_smoke|sensor_co2",
         "capabilities": "hidden.alarm_ringtone"
       },
       "title": {
diff --git a/.homeycompose/flow/actions/set_sensor_alarm_time.json b/.homeycompose/flow/actions/set_sensor_alarm_time.json
index 5decea4b..e80b5b49 100644
--- a/.homeycompose/flow/actions/set_sensor_alarm_time.json
+++ b/.homeycompose/flow/actions/set_sensor_alarm_time.json
@@ -10,7 +10,7 @@
       "name": "device",
       "type": "device",
       "filter": {
-        "driver_id": "sensor_smoke",
+        "driver_id": "sensor_smoke|sensor_co2",
         "capabilities": "hidden.alarm_time"
       },
       "title": {
diff --git a/.homeycompose/flow/actions/set_sensor_alarm_volume.json b/.homeycompose/flow/actions/set_sensor_alarm_volume.json
index db1f8b8d..c9bd1338 100644
--- a/.homeycompose/flow/actions/set_sensor_alarm_volume.json
+++ b/.homeycompose/flow/actions/set_sensor_alarm_volume.json
@@ -10,7 +10,7 @@
       "name": "device",
       "type": "device",
       "filter": {
-        "driver_id": "sensor_smoke",
+        "driver_id": "sensor_smoke|sensor_co2",
         "capabilities": "hidden.alarm_volume"
       },
       "title": {
diff --git a/.homeycompose/flow/actions/set_sensor_muffling.json b/.homeycompose/flow/actions/set_sensor_muffling.json
index 6f1c121e..2f9d6efb 100644
--- a/.homeycompose/flow/actions/set_sensor_muffling.json
+++ b/.homeycompose/flow/actions/set_sensor_muffling.json
@@ -10,7 +10,7 @@
       "name": "device",
       "type": "device",
       "filter": {
-        "driver_id": "sensor_smoke",
+        "driver_id": "sensor_smoke|sensor_co2",
         "capabilities": "hidden.muffling"
       },
       "title": {
diff --git a/.homeycompose/flow/triggers/receive_status_boolean.json b/.homeycompose/flow/triggers/receive_status_boolean.json
index a5bc18f6..330accc9 100644
--- a/.homeycompose/flow/triggers/receive_status_boolean.json
+++ b/.homeycompose/flow/triggers/receive_status_boolean.json
@@ -13,7 +13,7 @@
       "name": "device",
       "type": "device",
       "filter": {
-        "driver_id": "button|camera|circuit_breaker|dimmer|doorbell|fan|garage_door|heater|irrigator|light|other|sensor_climate|sensor_contact|sensor_human|sensor_motion|sensor_smoke|siren|socket|thermostat|window_coverings"
+        "driver_id": "button|camera|circuit_breaker|dimmer|doorbell|fan|garage_door|heater|irrigator|light|other|sensor_climate|sensor_co2|sensor_contact|sensor_human|sensor_motion|sensor_smoke|siren|socket|thermostat|window_coverings"
       },
       "title": {
         "en": "Device"
diff --git a/.homeycompose/flow/triggers/receive_status_json.json b/.homeycompose/flow/triggers/receive_status_json.json
index b3f7f06c..5336552c 100644
--- a/.homeycompose/flow/triggers/receive_status_json.json
+++ b/.homeycompose/flow/triggers/receive_status_json.json
@@ -13,7 +13,7 @@
       "name": "device",
       "type": "device",
       "filter": {
-        "driver_id": "button|camera|circuit_breaker|dimmer|doorbell|fan|garage_door|heater|irrigator|light|other|sensor_climate|sensor_contact|sensor_human|sensor_motion|sensor_smoke|siren|socket|thermostat|window_coverings"
+        "driver_id": "button|camera|circuit_breaker|dimmer|doorbell|fan|garage_door|heater|irrigator|light|other|sensor_climate|sensor_co2|sensor_contact|sensor_human|sensor_motion|sensor_smoke|siren|socket|thermostat|window_coverings"
       },
       "title": {
         "en": "Device"
diff --git a/.homeycompose/flow/triggers/receive_status_number.json b/.homeycompose/flow/triggers/receive_status_number.json
index 590d18b1..95bd861b 100644
--- a/.homeycompose/flow/triggers/receive_status_number.json
+++ b/.homeycompose/flow/triggers/receive_status_number.json
@@ -13,7 +13,7 @@
       "name": "device",
       "type": "device",
       "filter": {
-        "driver_id": "button|camera|circuit_breaker|dimmer|doorbell|fan|garage_door|heater|irrigator|light|other|sensor_climate|sensor_contact|sensor_human|sensor_motion|sensor_smoke|siren|socket|thermostat|window_coverings"
+        "driver_id": "button|camera|circuit_breaker|dimmer|doorbell|fan|garage_door|heater|irrigator|light|other|sensor_climate|sensor_co2|sensor_contact|sensor_human|sensor_motion|sensor_smoke|siren|socket|thermostat|window_coverings"
       },
       "title": {
         "en": "Device"
diff --git a/.homeycompose/flow/triggers/receive_status_string.json b/.homeycompose/flow/triggers/receive_status_string.json
index 60e8dcf1..9b035bcc 100644
--- a/.homeycompose/flow/triggers/receive_status_string.json
+++ b/.homeycompose/flow/triggers/receive_status_string.json
@@ -13,7 +13,7 @@
       "name": "device",
       "type": "device",
       "filter": {
-        "driver_id": "button|camera|circuit_breaker|dimmer|doorbell|fan|garage_door|heater|irrigator|light|other|sensor_climate|sensor_contact|sensor_human|sensor_motion|sensor_smoke|siren|socket|thermostat|window_coverings"
+        "driver_id": "button|camera|circuit_breaker|dimmer|doorbell|fan|garage_door|heater|irrigator|light|other|sensor_climate|sensor_co2|sensor_contact|sensor_human|sensor_motion|sensor_smoke|siren|socket|thermostat|window_coverings"
       },
       "title": {
         "en": "Device"
diff --git a/app.json b/app.json
index 66d96ed6..1be691b8 100644
--- a/app.json
+++ b/app.json
@@ -438,7 +438,7 @@
             "name": "device",
             "type": "device",
             "filter": {
-              "driver_id": "button|camera|circuit_breaker|dimmer|doorbell|fan|garage_door|heater|irrigator|light|other|sensor_climate|sensor_contact|sensor_human|sensor_motion|sensor_smoke|siren|socket|thermostat|window_coverings"
+              "driver_id": "button|camera|circuit_breaker|dimmer|doorbell|fan|garage_door|heater|irrigator|light|other|sensor_climate|sensor_co2|sensor_contact|sensor_human|sensor_motion|sensor_smoke|siren|socket|thermostat|window_coverings"
             },
             "title": {
               "en": "Device"
@@ -479,7 +479,7 @@
             "name": "device",
             "type": "device",
             "filter": {
-              "driver_id": "button|camera|circuit_breaker|dimmer|doorbell|fan|garage_door|heater|irrigator|light|other|sensor_climate|sensor_contact|sensor_human|sensor_motion|sensor_smoke|siren|socket|thermostat|window_coverings"
+              "driver_id": "button|camera|circuit_breaker|dimmer|doorbell|fan|garage_door|heater|irrigator|light|other|sensor_climate|sensor_co2|sensor_contact|sensor_human|sensor_motion|sensor_smoke|siren|socket|thermostat|window_coverings"
             },
             "title": {
               "en": "Device"
@@ -520,7 +520,7 @@
             "name": "device",
             "type": "device",
             "filter": {
-              "driver_id": "button|camera|circuit_breaker|dimmer|doorbell|fan|garage_door|heater|irrigator|light|other|sensor_climate|sensor_contact|sensor_human|sensor_motion|sensor_smoke|siren|socket|thermostat|window_coverings"
+              "driver_id": "button|camera|circuit_breaker|dimmer|doorbell|fan|garage_door|heater|irrigator|light|other|sensor_climate|sensor_co2|sensor_contact|sensor_human|sensor_motion|sensor_smoke|siren|socket|thermostat|window_coverings"
             },
             "title": {
               "en": "Device"
@@ -561,7 +561,7 @@
             "name": "device",
             "type": "device",
             "filter": {
-              "driver_id": "button|camera|circuit_breaker|dimmer|doorbell|fan|garage_door|heater|irrigator|light|other|sensor_climate|sensor_contact|sensor_human|sensor_motion|sensor_smoke|siren|socket|thermostat|window_coverings"
+              "driver_id": "button|camera|circuit_breaker|dimmer|doorbell|fan|garage_door|heater|irrigator|light|other|sensor_climate|sensor_co2|sensor_contact|sensor_human|sensor_motion|sensor_smoke|siren|socket|thermostat|window_coverings"
             },
             "title": {
               "en": "Device"
@@ -1305,7 +1305,7 @@
             "name": "device",
             "type": "device",
             "filter": {
-              "driver_id": "sensor_smoke",
+              "driver_id": "sensor_smoke|sensor_co2",
               "capabilities": "onoff.alarm_switch"
             },
             "title": {
@@ -1324,7 +1324,7 @@
             "name": "device",
             "type": "device",
             "filter": {
-              "driver_id": "sensor_smoke",
+              "driver_id": "sensor_smoke|sensor_co2",
               "capabilities": "onoff.alarm_switch"
             },
             "title": {
@@ -1349,7 +1349,7 @@
             "name": "device",
             "type": "device",
             "filter": {
-              "driver_id": "button|camera|circuit_breaker|dimmer|doorbell|fan|garage_door|heater|irrigator|light|other|sensor_climate|sensor_contact|sensor_human|sensor_motion|sensor_smoke|siren|socket|thermostat|window_coverings"
+              "driver_id": "button|camera|circuit_breaker|dimmer|doorbell|fan|garage_door|heater|irrigator|light|other|sensor_climate|sensor_co2|sensor_contact|sensor_human|sensor_motion|sensor_smoke|siren|socket|thermostat|window_coverings"
             },
             "title": {
               "en": "Device"
@@ -1387,7 +1387,7 @@
             "name": "device",
             "type": "device",
             "filter": {
-              "driver_id": "button|camera|circuit_breaker|dimmer|doorbell|fan|garage_door|heater|irrigator|light|other|sensor_climate|sensor_contact|sensor_human|sensor_motion|sensor_smoke|siren|socket|thermostat|window_coverings"
+              "driver_id": "button|camera|circuit_breaker|dimmer|doorbell|fan|garage_door|heater|irrigator|light|other|sensor_climate|sensor_co2|sensor_contact|sensor_human|sensor_motion|sensor_smoke|siren|socket|thermostat|window_coverings"
             },
             "title": {
               "en": "Device"
@@ -1425,7 +1425,7 @@
             "name": "device",
             "type": "device",
             "filter": {
-              "driver_id": "button|camera|circuit_breaker|dimmer|doorbell|fan|garage_door|heater|irrigator|light|other|sensor_climate|sensor_contact|sensor_human|sensor_motion|sensor_smoke|siren|socket|thermostat|window_coverings"
+              "driver_id": "button|camera|circuit_breaker|dimmer|doorbell|fan|garage_door|heater|irrigator|light|other|sensor_climate|sensor_co2|sensor_contact|sensor_human|sensor_motion|sensor_smoke|siren|socket|thermostat|window_coverings"
             },
             "title": {
               "en": "Device"
@@ -1463,7 +1463,7 @@
             "name": "device",
             "type": "device",
             "filter": {
-              "driver_id": "button|camera|circuit_breaker|dimmer|doorbell|fan|garage_door|heater|irrigator|light|other|sensor_climate|sensor_contact|sensor_human|sensor_motion|sensor_smoke|siren|socket|thermostat|window_coverings"
+              "driver_id": "button|camera|circuit_breaker|dimmer|doorbell|fan|garage_door|heater|irrigator|light|other|sensor_climate|sensor_co2|sensor_contact|sensor_human|sensor_motion|sensor_smoke|siren|socket|thermostat|window_coverings"
             },
             "title": {
               "en": "Device"
@@ -1498,7 +1498,7 @@
             "name": "device",
             "type": "device",
             "filter": {
-              "driver_id": "sensor_smoke",
+              "driver_id": "sensor_smoke|sensor_co2",
               "capabilities": "hidden.alarm_bright"
             },
             "title": {
@@ -1533,7 +1533,7 @@
             "name": "device",
             "type": "device",
             "filter": {
-              "driver_id": "sensor_smoke",
+              "driver_id": "sensor_smoke|sensor_co2",
               "capabilities": "hidden.alarm_ringtone"
             },
             "title": {
@@ -1584,7 +1584,7 @@
             "name": "device",
             "type": "device",
             "filter": {
-              "driver_id": "sensor_smoke",
+              "driver_id": "sensor_smoke|sensor_co2",
               "capabilities": "hidden.alarm_time"
             },
             "title": {
@@ -1618,7 +1618,7 @@
             "name": "device",
             "type": "device",
             "filter": {
-              "driver_id": "sensor_smoke",
+              "driver_id": "sensor_smoke|sensor_co2",
               "capabilities": "hidden.alarm_volume"
             },
             "title": {
@@ -1673,7 +1673,7 @@
             "name": "device",
             "type": "device",
             "filter": {
-              "driver_id": "sensor_smoke",
+              "driver_id": "sensor_smoke|sensor_co2",
               "capabilities": "hidden.muffling"
             },
             "title": {
@@ -5265,6 +5265,198 @@
         }
       ]
     },
+    {
+      "capabilities": [
+        "alarm_co2",
+        "measure_co2"
+      ],
+      "connectivity": [
+        "cloud"
+      ],
+      "platforms": [
+        "local",
+        "cloud"
+      ],
+      "images": {
+        "small": "/drivers/sensor_co2/assets/images/small.png",
+        "large": "/drivers/sensor_co2/assets/images/large.png",
+        "xlarge": "/drivers/sensor_co2/assets/images/xlarge.png"
+      },
+      "pair": [
+        {
+          "id": "welcome",
+          "navigation": {
+            "next": "login_oauth2"
+          }
+        },
+        {
+          "id": "login_oauth2",
+          "template": "login_oauth2"
+        },
+        {
+          "id": "list_devices",
+          "template": "list_devices",
+          "navigation": {
+            "next": "add_devices"
+          }
+        },
+        {
+          "id": "add_devices",
+          "template": "add_devices"
+        }
+      ],
+      "repair": [
+        {
+          "id": "login_oauth2",
+          "template": "login_oauth2"
+        }
+      ],
+      "class": "sensor",
+      "name": {
+        "en": "CO2 Detector",
+        "nl": "CO2 Melder"
+      },
+      "id": "sensor_co2",
+      "settings": [
+        {
+          "id": "use_alarm_timeout",
+          "type": "checkbox",
+          "hint": {
+            "en": "Turn the alarm off a set time after the start signal, even if no end signal is received."
+          },
+          "label": {
+            "en": "Use Alarm Timeout"
+          },
+          "value": false
+        },
+        {
+          "id": "alarm_timeout",
+          "type": "number",
+          "label": {
+            "en": "Alarm Timeout"
+          },
+          "value": 10,
+          "min": 1,
+          "units": {
+            "en": "seconds"
+          }
+        },
+        {
+          "id": "sensor_alarm_group",
+          "type": "group",
+          "label": {
+            "en": "NOTE: Some settings are not supported by every device."
+          },
+          "children": [
+            {
+              "id": "muffling",
+              "type": "checkbox",
+              "label": {
+                "en": "Mute Alarm"
+              }
+            },
+            {
+              "id": "alarm_volume",
+              "type": "dropdown",
+              "label": {
+                "en": "Alarm Volume"
+              },
+              "values": [
+                {
+                  "id": "low",
+                  "label": {
+                    "en": "Low"
+                  }
+                },
+                {
+                  "id": "middle",
+                  "label": {
+                    "en": "Middle"
+                  }
+                },
+                {
+                  "id": "high",
+                  "label": {
+                    "en": "High"
+                  }
+                },
+                {
+                  "id": "mute",
+                  "label": {
+                    "en": "Mute"
+                  }
+                }
+              ]
+            },
+            {
+              "id": "alarm_time",
+              "type": "number",
+              "label": {
+                "en": "Alarm Duration"
+              },
+              "min": 1,
+              "step": 1,
+              "value": 1,
+              "units": {
+                "en": "seconds"
+              }
+            },
+            {
+              "id": "alarm_ringtone",
+              "type": "dropdown",
+              "label": {
+                "en": "Alarm Tone"
+              },
+              "values": [
+                {
+                  "id": "1",
+                  "label": "1"
+                },
+                {
+                  "id": "2",
+                  "label": "2"
+                },
+                {
+                  "id": "3",
+                  "label": "3"
+                },
+                {
+                  "id": "4",
+                  "label": "4"
+                },
+                {
+                  "id": "5",
+                  "label": "5"
+                }
+              ]
+            },
+            {
+              "id": "alarm_bright",
+              "type": "number",
+              "label": {
+                "en": "Alarm Brightness"
+              },
+              "min": 0,
+              "step": 1,
+              "max": 100,
+              "value": 100,
+              "units": "%"
+            }
+          ]
+        },
+        {
+          "id": "deviceSpecification",
+          "type": "label",
+          "label": {
+            "en": "Device Specification"
+          },
+          "hint": {
+            "en": "The Tuya specification of this device"
+          },
+          "value": "<not available>"
+        }
+      ]
+    },
     {
       "capabilities": [
         "alarm_contact"
diff --git a/drivers/sensor_co2/SensorCo2Constants.ts b/drivers/sensor_co2/SensorCo2Constants.ts
new file mode 100644
index 00000000..294415d3
--- /dev/null
+++ b/drivers/sensor_co2/SensorCo2Constants.ts
@@ -0,0 +1,4 @@
+export const SENSOR_CO2_CAPABILITY_MAPPING = {
+  co2_state: 'alarm_co2',
+  co2_value: 'measure_co2',
+} as const;
diff --git a/drivers/sensor_co2/assets/icon.svg b/drivers/sensor_co2/assets/icon.svg
new file mode 100644
index 00000000..9248b977
--- /dev/null
+++ b/drivers/sensor_co2/assets/icon.svg
@@ -0,0 +1 @@
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diff --git a/drivers/sensor_co2/assets/images/large.png b/drivers/sensor_co2/assets/images/large.png
new file mode 100644
index 00000000..f096827a
Binary files /dev/null and b/drivers/sensor_co2/assets/images/large.png differ
diff --git a/drivers/sensor_co2/assets/images/small.png b/drivers/sensor_co2/assets/images/small.png
new file mode 100644
index 00000000..992d1a3e
Binary files /dev/null and b/drivers/sensor_co2/assets/images/small.png differ
diff --git a/drivers/sensor_co2/assets/images/xlarge.png b/drivers/sensor_co2/assets/images/xlarge.png
new file mode 100644
index 00000000..5440ec2a
Binary files /dev/null and b/drivers/sensor_co2/assets/images/xlarge.png differ
diff --git a/drivers/sensor_co2/device.ts b/drivers/sensor_co2/device.ts
new file mode 100644
index 00000000..bcb1595d
--- /dev/null
+++ b/drivers/sensor_co2/device.ts
@@ -0,0 +1,39 @@
+import TuyaOAuth2DeviceSensor from '../../lib/sensor/TuyaOAuth2DeviceSensor';
+import { SettingsEvent, TuyaStatus } from '../../types/TuyaTypes';
+import { HomeySensorSettings, SENSOR_SETTING_LABELS } from '../../lib/sensor/TuyaSensorConstants';
+import * as Util from '../../lib/TuyaOAuth2Util';
+import { SENSOR_CO2_CAPABILITY_MAPPING } from './SensorCo2Constants';
+
+module.exports = class TuyaOAuth2DeviceSensorCO2 extends TuyaOAuth2DeviceSensor {
+  async onOAuth2Init(): Promise<void> {
+    await this.initAlarm('alarm_smoke').catch(this.error);
+
+    return super.onOAuth2Init();
+  }
+
+  async onTuyaStatus(status: TuyaStatus, changedStatusCodes: string[]): Promise<void> {
+    await super.onTuyaStatus(status, changedStatusCodes);
+
+    for (const tuyaCapability in status) {
+      const value = status[tuyaCapability];
+
+      if (
+        tuyaCapability === 'co2_state' &&
+        (!this.getSetting('use_alarm_timeout') || changedStatusCodes.includes(tuyaCapability))
+      ) {
+        await this.setAlarmCapabilityValue(SENSOR_CO2_CAPABILITY_MAPPING[tuyaCapability], value === 'alarm').catch(
+          this.error,
+        );
+      }
+
+      if (tuyaCapability === 'co2_value') {
+        await this.safeSetCapabilityValue(SENSOR_CO2_CAPABILITY_MAPPING[tuyaCapability], value);
+      }
+    }
+  }
+
+  async onSettings(event: SettingsEvent<HomeySensorSettings>): Promise<string | void> {
+    const [unsupportedSettings, unsupportedValues] = await super.onAlarmSettings(event);
+    return Util.reportUnsupportedSettings(this, unsupportedSettings, unsupportedValues, SENSOR_SETTING_LABELS);
+  }
+};
diff --git a/drivers/sensor_co2/driver.compose.json b/drivers/sensor_co2/driver.compose.json
new file mode 100644
index 00000000..94386937
--- /dev/null
+++ b/drivers/sensor_co2/driver.compose.json
@@ -0,0 +1,9 @@
+{
+  "$extends": "tuya",
+  "class": "sensor",
+  "name": {
+    "en": "CO2 Detector",
+    "nl": "CO2 Melder"
+  },
+  "capabilities": ["alarm_co2", "measure_co2"]
+}
diff --git a/drivers/sensor_co2/driver.settings.compose.json b/drivers/sensor_co2/driver.settings.compose.json
new file mode 100644
index 00000000..001bf15d
--- /dev/null
+++ b/drivers/sensor_co2/driver.settings.compose.json
@@ -0,0 +1,14 @@
+[
+  {
+    "$extends": "useAlarmTimeout"
+  },
+  {
+    "$extends": "alarmTimeout"
+  },
+  {
+    "$extends": "sensor_alarm_group"
+  },
+  {
+    "$extends": "deviceSpecification"
+  }
+]
diff --git a/drivers/sensor_co2/driver.ts b/drivers/sensor_co2/driver.ts
new file mode 100644
index 00000000..92cd74b5
--- /dev/null
+++ b/drivers/sensor_co2/driver.ts
@@ -0,0 +1,48 @@
+import { DEVICE_CATEGORIES } from '../../lib/TuyaOAuth2Constants';
+import { ListDeviceProperties } from '../../lib/TuyaOAuth2Driver';
+import TuyaOAuth2DriverSensor from '../../lib/sensor/TuyaOAuth2DriverSensor';
+import {
+  type TuyaDeviceDataPointResponse,
+  TuyaDeviceResponse,
+  TuyaDeviceSpecificationResponse,
+} from '../../types/TuyaApiTypes';
+import { getFromMap } from '../../lib/TuyaOAuth2Util';
+import { SENSOR_CO2_CAPABILITY_MAPPING } from './SensorCo2Constants';
+
+module.exports = class TuyaOAuth2DriverSensorCO2 extends TuyaOAuth2DriverSensor {
+  TUYA_DEVICE_CATEGORIES = [DEVICE_CATEGORIES.SECURITY_VIDEO_SURV.CO2_DETECTOR] as const;
+
+  onTuyaPairListDeviceProperties(
+    device: TuyaDeviceResponse,
+    specifications?: TuyaDeviceSpecificationResponse,
+    dataPoints?: TuyaDeviceDataPointResponse,
+  ): ListDeviceProperties {
+    const props = super.onTuyaPairListDeviceProperties(device, specifications, dataPoints);
+
+    for (const status of device.status) {
+      const tuyaCapability = status.code;
+      const homeyCapability = getFromMap(SENSOR_CO2_CAPABILITY_MAPPING, tuyaCapability);
+
+      if (homeyCapability) {
+        props.store.tuya_capabilities.push(tuyaCapability);
+        props.capabilities.push(homeyCapability);
+      }
+    }
+
+    if (!specifications || !specifications.status) {
+      return props;
+    }
+
+    for (const specification of specifications.status) {
+      const tuyaCapability = specification.code;
+      const values = JSON.parse(specification.values);
+      if (tuyaCapability === 'co2_state') {
+        if (!values.range.includes('normal')) {
+          props.settings['use_alarm_timeout'] = true;
+        }
+      }
+    }
+
+    return props;
+  }
+};
diff --git a/drivers/sensor_co2/pair/welcome.assets/chevron-right.png b/drivers/sensor_co2/pair/welcome.assets/chevron-right.png
new file mode 100644
index 00000000..d7331b23
Binary files /dev/null and b/drivers/sensor_co2/pair/welcome.assets/chevron-right.png differ
diff --git a/drivers/sensor_co2/pair/welcome.assets/logos.png b/drivers/sensor_co2/pair/welcome.assets/logos.png
new file mode 100644
index 00000000..faefa496
Binary files /dev/null and b/drivers/sensor_co2/pair/welcome.assets/logos.png differ
diff --git a/drivers/sensor_co2/pair/welcome.html b/drivers/sensor_co2/pair/welcome.html
new file mode 100644
index 00000000..14a7e06e
--- /dev/null
+++ b/drivers/sensor_co2/pair/welcome.html
@@ -0,0 +1,60 @@
+<style type="text/css">
+  .tuya-welcome-title {
+    text-align: center;
+  }
+
+  .tuya-welcome-text {
+    text-align: center;
+    font-size: 17px;
+    line-height: 24px;
+    color: #1c1c1c;
+  }
+
+  .tuya-welcome-link {
+    color: #0082fa;
+    text-decoration: none;
+    font-size: 0;
+  }
+
+  .tuya-welcome-link > span {
+    vertical-align: middle;
+    font-size: 17px;
+  }
+
+  .tuya-welcome-link:hover > span {
+    text-decoration: underline;
+  }
+
+  .tuya-welcome-link > img {
+    height: 17px;
+    vertical-align: middle;
+    margin-top: 2px;
+  }
+
+  .tuya-welcome-logos {
+    height: 184px;
+    margin-top: 50px;
+  }
+</style>
+
+<h1 class="homey-title tuya-welcome-title" data-i18n="pair.welcome.title"></h1>
+
+<p class="tuya-welcome-text">
+  <span data-i18n="pair.welcome.text"></span>
+</p>
+
+<p class="tuya-welcome-text">
+  <a
+    href="https://support.homey.app/hc/en-us/articles/14504423087644-Connecting-Tuya-with-Homey"
+    target="_blank"
+    onclick="Homey.popup(this.href); return false;"
+    class="tuya-welcome-link"
+  >
+    <span data-i18n="pair.welcome.link"></span>
+    <img src="./welcome.assets/chevron-right.png" />
+  </a>
+</p>
+
+<p class="tuya-welcome-text">
+  <img class="tuya-welcome-logos" src="./welcome.assets/logos.png" />
+</p>