diff --git a/README.md b/README.md
index 6c1bf4e3d..036ba6ae4 100644
--- a/README.md
+++ b/README.md
@@ -15,6 +15,13 @@ If you like **Sonoff-Tasmota**, give it a star, or fork it and contribute!
 
 Current version is **6.0.0a** - See [sonoff/_releasenotes.ino](https://github.com/arendst/Sonoff-Tasmota/blob/development/sonoff/_releasenotes.ino) for change information.
 
+### Disclaimer
+:warning: **DANGER OF ELECTROCUTION** :warning:
+
+A Sonoff device is not a toy. It uses Mains AC so there is a danger of electrocution if not installed properly. If you don't know how to install it, please call an electrician. Remember: _**SAFETY FIRST**_. It is not worth to risk yourself, your family and your home if you don't know exactly what you are doing. Never try to flash a Sonoff device while it is connected to MAINS AC.
+
+We don't take any responsibility nor liability for using this software nor for the installation or any tips, advice, videos, etc. given by any member of this site or any related site.
+
 ### Quick Install
 Download one of the released binaries from https://github.com/arendst/Sonoff-Tasmota/releases and flash it to your hardware as documented in the wiki.