Elsema* 1-Channel Standalone Penta Series Receiver With Relay Output 433MHz, EnclosureThis receiver is compatible with PentaFOB and PentaCODE remotes. The receiver is so small that it can be easily installed into your existing automatic gate opener or garage door controls. Other applications include light control, security shutters or anywhere else you need a wireless signal to transmit a contact closure. The PentaCODE dual coding system gives the installer the option to use the classic 12 way dip switch coding or one of over 17