diff --git a/custom_components/battery_notes/data/library.json b/custom_components/battery_notes/data/library.json
index 576aedd3..90bd76f8 100644
--- a/custom_components/battery_notes/data/library.json
+++ b/custom_components/battery_notes/data/library.json
@@ -7789,6 +7789,13 @@
             "model": "ZSE70",
             "battery_type": "CR123A",
             "battery_quantity": 2
+        },
+        {
+            "manufacturer": "eWeLink",
+            "model": "Contact sensor",
+            "model_id": "SNZB-04",
+            "hw_version": "0",
+            "battery_type": "CR2032"
         }
     ]
 }
\ No newline at end of file