DIY Smart Switch, enjoy smart life This product is a wireless switch supports inching /self-locking mode. Users can add the device to the APP Smart life in order to remotely control connected home appliances or devices. In self-locking mode, customers can remotely turn on/off connected devices immediately. When in inching mode, customers can have two wiring ways to select, and you can set the inching time in APP . WIFi control model, no need to program. No matter where you are, you only need to download a APP to connect the wifi and control the cloud. RF mode , you can control the board with RF433 remote controller. Features: Input voltage : DC/AC 7-32V , Micro USB 5V input. Max current : 2200W/10A. WiFi standard : WiFi 2.4 ghz b/n/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 APP store or google play. Your router is MAC-open. Your smart phone or tablet has connected to a 2.4g wifi with internet. Default inching time 0.5s , you can set inching time from 1s to 3600s in APP ( smart life / tuya smart). Include: 1* wifi module 1* manual APP Control From Anywhere You can rermote control smart device via mobile phone APP antytime and anywhere. Family Sharing Share the control with family member.Enjoy the convenience and happiness together Remote Control no battery include