1. Mini Smart Wifi Dimmer Module For Uk And Eu Wall Switch. Its Compact Size Allows Easy Mounting Without Any Modification To The Decor Of Your Switch. Turns Compatible Products Into Smart Products In Seconds. Allows Independent Operation Of Traditional Switches Without Interference. Only Suitable For Rocker Switches (See Image 2) 2. Dimming Can Be Done By Voice Control Or Smart Life App, Can Be Used As A 1 Or 2 Way Circuit (2 Switches Control 1 Light), Just Plug In One Of The Two Switches And Turn The Light On. Connected Device Into Smart Device (2 Way) 3. Allows Voice Control And Wireless Remote Control; Compatible With Alexa And Google Home; Remotely Control Devices With Your Smartphone, Even When You'Re Away From Home 4. Take Full Control Over Connected Devices With Timers, Schedules, And Countdowns (1/5/30 Min, 1 Hour, Etc.), Share Control With Family And Friends For Added Convenience 5. Control With Your Smart Phone Via Smart Life App, Tuya Without Separate Hub