Allstar Universal Receiver and 2 Transmitter Kit 921R-2T
Allstar Universal Receiver and 2 Transmitter Kit Model 921R-2T (BINARY)
Includes 2 Allstar 921-318 Transmitters.
Works with almost all brands and models.
Standard 3 prong connection.
Requires 3 wire connection and 24 volts AC. Transformer not included. Transformer sold separately for machines with 2 wire connections and openers that do not supply 24 volts.