CSP Dual Pulse Vehicle Transmitter 433mhz for TR800

“Dual transmitter, Eg Ideal for connecting to the high-beam of a vehicle so single flash will open the gate and the double flash will open garage door / Easy to install – 1 pair of wires / Connects to the CSP-TR800 range of receivers / 433Mhz / Single Pulse – Activates channel 1 / Double Pulse – Activates channel 2 / 12VDC 30mA”