- Plastic & PCB Board
- 12v 4 channel relay: shell material: hard plastic. output way: 4 ch signal 12 v voltage.
- 12v 4 channel remote control: applicable to garage door system, lamp/light remote control, curtain and so on.
- 12v relay module: the signal can pass through walls, floors and doors.
- Momentary 12v: you can turn on or turn off the receiver with transmitter(remote control) from any place within a distance.
- receiver: include one 12v 10a learning code receiver/ with cover, and one transmitter /remote control.
