Product Application Area Factory \ Farm\ Office\ Instrument\ Ventilation \ Pump \ Motor \ garage door \ house door \ Lamp \ curtains \ Home equipment/ Gate and other device Tuya smart Jog Inching/ Self-locking WIFI Wireless Smart Home Switch Remote Control with Amazon Alexa 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. Features: *Supports WiFi network. Supports numerous WiFi smart switches on one smart phone. *Supports status tracking: device status timely provided to the Tuya / Smart life. *Supports remotely turn on or off connected appliances, for example light, electric kettle, electric rice cooker, electric curtain, etc. *Supports max 8 enabled scheduled/countdown/loop timers for each device. *Voice Control: Compatible with "Amazon" Alexa, for Google Home/Nest, IFTTT. Supported Functions Include: *Remote turn on/off. *Timing schedules. *Device sharing. *Group management. *Works with Amazon Echo, Echo Dot, Amazon Tap. *Works with Google Home. *Works with IFTTT. *Compatible with Amazon Alexa. Receiver Description: *Voltage: AC85-265V 50/60Hz *Power: 6600W *Current: 30A *WIFI frequency:2.4G. IEEE 802.11 b/g/n This receiver will have a detailed instruction manual, please rest assured to buy. I will send the package within 18 hours, and I will do the best service. Specifications: Supports to control different voltage ranges USB port power supply more convenient Relay lifespan: one million times Working mode: inching / self-locking Wireless Standard: 2.4GHz, 802.11 b/g/n Mobile App: Tuya / Smart life on Android/IOS Application: access control, turn on PC, garage door, etc. Computer application: Remote control computer boot. Operating temperature: -40 degrees to +70 degrees. Operating Humidity 40%-80% RH. 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.