diff --git a/README.rst b/README.rst
index ed4a924..23660da 100644
--- a/README.rst
+++ b/README.rst
@@ -44,6 +44,8 @@ Python Amazon Dash
 ##################
 Hack your Amazon Dash to run what you want. Without welders. For the entire family.
 
+Better yet, build your own push button using ESP8266 device. Of course, some assembly is required.
+
 This program written in Python runs in daemon mode waiting for someone in the same
 network to press a configured Amazon Dash button. It is not necessary to know
 programming to use this program. Amazon-Dash executes **commands by command line,
diff --git a/amazon_dash/discovery.py b/amazon_dash/discovery.py
index 124a288..a040b26 100644
--- a/amazon_dash/discovery.py
+++ b/amazon_dash/discovery.py
@@ -31,6 +31,7 @@
     '34:D2:70',
     'B4:7C:9C',
     'F0:81:73',
+    '5C:CF:7F',
 ]
 """Amazon Dash Mac Devices. Source: https://standards.ieee.org/develop/regauth/oui/oui.csv