Wi-Fi Touch Feature Specifications Specifications maximum. Strom: 10A(switch) 16A(socket) Load: 1000W/gang Wireless consumer: ≥ 0.2W the above. Voltage: 90 ~ 250V Relative humidity: 10% ~ 93% Working temperature: -30°C ~ +70°C Certification: CE, ROHS WiFi frequency: IEEE802.11 b/g/n High Quality WiFi: 2.4GHz WiFi b/g/n Frequency: 433.92 MHz Application: Tuya/Smart Life Apple: Google Home, Amazon Exa Control Wire: Need a neutral wire Back light: on blue light off blue light (can be cancelled) Typical shape: round Switch box wall: Ø = 75mm, width = 71mm, depth ≥ 35mm Function: Our wifi touch screen can be controlled through your smartphone and all support Google Home, Amazon Alexa, and YouTube app. Lighting background: WIFI touch keypad with blue LED light on isolating panel for every type, including long range night vision at night. : The smart touch switch is compatible with electric LED, incandescent, halogen, fluorescent, and compact fluorescent lamps. Smart WiFi switch (Kido cord required). Installation: Connect 3 wires to hang the Wifi Wall Touch Switch into your wall box as below: For the wire taken or red (live) returned to the copper l or hole in the back of the device. For blue or black (neutral) the wire is returned to the copper letter N or hole N in the back of the device. The board can be reassembled to change the module part if necessary (tie wire). Application installation: Download the Tuya or Smart Life app on your smartphone or tablet. The app can be downloaded from the Apple App Store or Google Play, then your app pairs with Amazon Alexa or Google Home which you can wirelessly connect to your connection.