DieseRC DC 12V Wireless Relay Remote Control Switch 433MHz RF 4 Channels Relay Receiver Board with 2 Transmitters for Truck Trunk Motor Garage Door Electric Lock, 3 Operating Modes

DieseRC DC 12V Wireless Relay Remote Control Switch 433MHz RF 4 Channels Relay Receiver Board with 2 Transmitters for Truck Trunk Motor Garage Door Electric Lock, 3 Operating Modes

Solidremote 12V - 24V Secure Wireless RF Remote Control Relay Switch Universal 2-Channel Receiver with 2 Transmitters for Garage Door Openers, LED Lights etc (KIT-1)