"Features: *App Support: Free iOS and for Android mobile App Smart Life / Tuya Smart. *Sync Status: Real-time device status provided to App. *Remote ON/OFF: Turn 4 electrical devices on/off remotely from anywhere. *RF Remote control: Turn on/off by 433MHz RF Remote indoors,Only support 433MHz Learning code. *3 Working Modes: Switch among interlock/self-locking/inching modes. *Independent control: Control each gang separately in APP Tuya. *Supports remotely turn on or off connected appliances, for example light, electric kettle, electric rice cooker, electric curtain, etc. *Timing: Supports 8 enabled countdown/single/repeat timing tasks to turn on/off at specified time. *DIN Rail Mounted: Great for industrial control. *Voice Control: Compatible perfectly with Amazon Alexa, for Google Home, for Google Nest,IFTTT. *Share Control: Control your smart home together with your family. Specifications: 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."