Estate Swing 433ESRec 2 Channel Receiver, 433 MHz Works with Estate Swing Gate Opener 4 Button Remote Transmitter 433 Mhz Has a range of 300 feet and can learn up to 400 remotes Can be easily wired to work with any gate opener system The Estate Swing 433 MHz 2 Channel receiver (433ESREC) has the ability to control two separate devices or two different relays on a control board Easy to program