Features: *App Support: Free iOS and for Android mobile App eWeLink. *Sync Status: Real-time device status provided to App. *Remote ON/OFF: Turn 4 electrical devices on/off remotely from anywhere. *Independent control: Control each gang separately in APP eWeLink. *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: Compatibleperfectly with Amazon Alexa, for Google Home, for Google Nest. *Share Control: Control your smart home together with your family.