The 8057 Receiver is a fully programmable stand-alone receiver that can store up to 16,000 transmitter codes. Codes can be added or deleted individually, or in block format. Features: Provides remote operation of vehicular access gates from the safety and convenience of a vehicle Over 1,000,000 transmitter codes available PROXmtr™ includes a built in proximity card with the MicroCLIK transmitter combining both RF and card access control into a single compact unit Transmitters available with 1, 2 or 3 buttons MicroCLIK® RF controls may be used as a stand-alone access control system or can be interfaced with 26 or 31-bit wiegand controllers HomeLink® compatible Specifications: Stand-alone receiver Stores up to 16,000 MicroClik transmitter codes Built-in programming keypad Add or delete transmitters individually or in block format Programmable facility codes, relay strike time, transmitter button number Form C dry contact relay 12-24 Volt AC or DC