eWelink Sonoff Smart Gate Controller The ewelink Gate Controller is a DIY WiFi switch which supports inching /self-locking mode. Users can add the device to the APP eWeLink in order to remotely control connected home appliances or devices. In self-locking mode, you can remotely turn connected devices on/off immediately. When in inching mode, you have two wiring mode to select: 1 Second on and auto-off; 1 Second off and auto-on
