... 38*22mm 4.Operating voltage:DC 12V 5.Multiplicity RF module ,Wireless remote controller with315 / 433.92/868MHz,wireless ac ... , Video Monitoring system, Wireless Remote controller, RF Transmitter/Receiver module, Smoke/Gas/PIR Motion/Door sensor and so on. We ... , motorcycles, shops and house.Especially, our RF Transmitter/Receiver module used extensively in the garage, shutter and automatic door, remote ...