... /433MHz 3.Distance:<80 12V/24VDC Wireless With 4 Channel Garage Door Remote Control Receiver CY-402PC CY-402PC ,the four ... company,which ouputs Switching Quantity Signal for 4 relay and control the equipment to realize turn , turn over , switch ... gateways, lifting devices, industrial control and security industry and other fields. The wireless receiving controller, with high security, storage capacity, ...