Seco-Larm SK-1323-SDQ Sealed Housing Weatherproof Stand-Alone Digital Access Keypad, Up to 1010 Users, Proximity Reader, Backlit Keys for Nighttime Use, Rugged Aluminum Construction, Pack of 1 Weatherproof Stand-Alone Digital Access Keypad, 12 to 24 VAC/VDC operation; 1010 Users (Output number 1: 1000 users, Output number 2: 10 users) 2 Form C relays, each rated 1 Amp at 30 Volts DC; Each relay has programmable output time from 1 to 99 seconds or toggle Output number 2 can be programmed for use with a doorbell; 2 Egress inputs and 1 door sensor input Backlit keys for easy nighttime use; Two multi-colored status LEDs Able to mount to a single-gang back box; All features are programmed directly from the keypad