Tuya Smart Compatibility: Wifi gateway is compatible with tuya smart door lock, one gateway can pair multiple smart locks Remote Control: Adding the hub to the app and pair with the lock, you will be ablbe to remotely control your door lock anywhere, check door status, battery life and activity logs remotely in real-time Voice Control: Works with Alexa and Google Assistant if the smart lock is accessible, and you can voice control your lock Wifi Bluetooth Hub: 2.4G Wifi network is required when pairing. To ensure the stable connection, the distance within the lock and gateway should be within 16 feet How to connect to Google Home or Alexa: Search "Smart Life" skill on Alexa or Google Home App, then enabling the skill and entering the SmartLife account and password displayed on our app, you can find them following the below photo shows