Schlage FE595 PLY 505 PLY Plymouth Keypad Entry with Flex-Lock and Plymouth Style Knobs, Bright Brass Compatible with 1-3/8 in. To 1-3/4 in. Wood or metal doors Programmable, backlit, silicon-coated keypad with pre-set codes for keyless entry Bright Brass finish Adjustable bolt offers resistance to kick-ins Includes a 9V battery, hardware and two keys Keyless entry for enhanced security, no keys to lose or forget Flex-Lock feature allows you to switch between unlocked or automatic re-locking with the turn of a button Keypad illuminates so you can see it at night Codes easily added or deleted right at the keypad using the lock's unique 6 digit programming code Includes 9-volt battery, a 6 digit programming code, and two 4 digit user codes pre-set at the factory