Schlage FE595 PLY 619 FLA Plymouth Keypad Entry with Flex-Lock and Flair Style Levers, Satin Nickel Flex lock function allows user to switch between unlocked and automatic re-locking by turning the interior thumb turn above the handle Automatic re-locking will lock the door 5 seconds after a code has been entered Lever is reversible;Lock Type : Keyed Entry Satin nickel finish No more house keys to hide, lose, carry or forget 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