[ APP Control ] Just tap on tuya smart life App to turn on a light anytime and anywhere. A lighted house anticipates your arrival [ Timer & Schedule ] Set up timing schedules to save the trouble of overcooking the dish [ Hands-free Voice Control ] Compatible with Alexa & Home, the smart switch allows you to control lights on/off with your voice [ Share Control ] Share control of your to your family or friends so that they can also control the devices remotely [ 3 Working Modes ] Self-locking, interlock and inching mode.[ RF Function ] Choose the wifi switch with RF function, you can have three control methods. Remote control, mobile phone control, voice control. [ Universal DIY ] Compatible with any household appliances (AC85-250V 10A 220W )The small module has DIY capability for users with basic electrician knowledge. [ Simple Operation ] Directly connect to the app after installation, use the same LAN, and control by Tuya APP. Input voltage : AC 85-250V Max current : 220W/10A. WiFi standard : WiFi 2.4 ghz b/g. The life of Relay Model is more than 1,000,00. Default inching Function: Press the open relay by mobile phone, then cut off the pull-on imediately, you can set the inching time in APP , it has the timing-share function at the same time. Self-locking when press the inching and locking button with the light on. Press open relay to pull-on, press close relay to cut off. Noted : Your have the correct wifi password. Your smart phone or tablet must have access to or play. Your router is -open. Your smart phone or tablet has connected to a 2.4g wifi with internet. Default inching time 1-2s , you can set inching time from 2s to 3600s in APP ( smart life / tuya smart). APP Control From Anywhere: You can rermote control smartdevice via mobile phone APP antytime and anywhere. Colour:White Material:ABS Size:72 x 44 x 22mm Package Contents: 1 x RF Smart Switch Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.