The DR-4 Linear Four Channel Receiver is a four channel wireless radio control designed for use with automatic garage doors, gate operators and access control systems. All Delta-3 products (on the same frequency 310MHz) can be mixed and matched to suit your individual needs. The Delta-3 radio format provides 64 different digital codes. The codes are set by matching the 8 position coding switches in the transmitters and receiver.
DR-4 Receiver Info: Power 24vac/vdc, Activates four devices, Wire lead antenna, Mounting bracket supplied, Dimensions: 5.5" W x 4" H x 1.25" D