This product is a wireless switch supports momentary(inching) /self-locking/interlock work modes. Users can add the device to the APP eWeLink in order to remotely control connected home appliances or power circuits.
Note:The relays are switches without output, the power supply input (AC/DC) just for the PCBA.
Tap the work mode setting button manually, the product can change the working mode.
When in inching mode, you can have two wiring ways to select: -Turn on 1s and then auto-off -Turn off 1s and then auto-on.
When in self-locking mode, you can remotely turn on/off connected devices immediately.
When in interlock mode(only 2-gang and 4-gang supports), you can remote control AC/DC motors.
The product enables remote control of home appliances through the mobile application eWeLink, available on both Android and iOS.

input: 220Vac or 5Vdc Usb
Output: 4 dry output Max 10A/220V