The DT3+1 4-Channel Common Gate Access Transmitter is a hand-held four-channel transmitter with a three-channel section plus an individual one-channel section.
Activates one DRG gate receiver and up to three separate Delta-3 receivers
Test/operate LED
Visor mounting clip supplied
Power: 9-volt battery
Codes: 256 independent codes for gate + 64 multi-channel codes for doors (set by dip switches)