The KP-200 is a self-contained vandal resistant weatherproof digital keypad with field proven reliability that operates on 12 or 24 volts AC or DC. This dual output keypad is suitable for residential, industrial and commercial installations and is compatible with all electric locking devices. Durable backlit metal keys and rugged metal housing protect the keypad from harsh environments and high traffic areas. Keypad flush mounts on standard single gang electrical boxes.