Tuya Smart life app Wi-Fi enabled smart relay switch with 1 channel,with extra bluetooth remote function. The device is equipped with potential-free outputs (dry contacts), providing high flexibility in voltage support and various applications. It can be used to control wide range of home appliances, electrical circuits, and appliance individually. Timing function: set the single/loop/timer and countdown/sunrise , you can set timer schedules to automatically turn on/off your device according to easy control APP remote control:Automate most electrical appliance,Door Access Control System, Electric Outdoor Gate, Sliding Gate Opener, Garage Door Opener,computer and irrigation system smart , With 2 working modes: self-locking(on/off) and inching(emulate momentary) mode.You can now automate and control remotely every electrical appliance Voice control:This WiFi switch can be used with / Assistant/ by creating tap to run on tuya app, and you can use voice control to turn on/off home appliances when busy Tiny and powerful,can be hidden on your appliance box,and with DIN Rail Mount,fit for your smart home project.Set relay status on tuya app,if used for smart garage door opener,set it to be off,when your got power failture,it 't open the door, Weight: 0.0881849048 pounds, Manufacturer: Htuteyy