About This WIFI app remote,Works with tuya/smart life app,doesn't support ewelink app.Once configured with tuya/smart life app,use your phone to control garage door light computer etc anywhere by 2.4Ghz WIFI or 2G/3G/4G Mobile Network Easy to setup with low voltage 5V 12V 32V,dry contact relay passive output,without voltage at output,support 2.4G wifi only.when pairing,please enable phone bluetooth,maker sure to put it close to your router,and your phone have to connect to the same 2.4G wifi. Widely Usage,12V Google home relay switch,with 2 work mode,change to inching mode(emulate momentary) in tuya app-timer.It has normally open and normally closed positions at output contact ,usable for almost anything. with inching mode act as a momentary switch like a push button for a garage door, or can be use as a latching switch like a wall switch with selflock mode.Output is on/off signal only,without voltage,If it's connect to lights etc,you'll have to add extra power source at output contact. Schedule and share control,set count down/circle timing to triggle on/off your device anytime by phone,create smart scenes,share control with family Voice control,work with alexa/Google home,works with Siri by creating tap to run in tuya app Overview Connector Type : Micro Usb Contact Material : Metall Contact Type : Normally Open Current Rating : 10 Amps Mounting Type : Wall Mount