Self-contained keyless entry system ideal for airports hospitals warehouses office buildings parking lots and many other commercial facilities * Mounts in a single gang electrical box * Four independent outputs and timers: two form C relays and two solid-state open collector outputs with unique programming per entry code * Up to 480 programmable input codes of one to six digits each for activating either or both relays * Two LED indicators show system status * Key operating features include: door sense input; inhibit input; request-to-exit input; alarm shunt output; timed anti-passback; and keypad lockout * Rugged metal keys * Tactile and audible feedback * 3" W x 5" H x 3" D * Order number: ACP00751