For back, side or garage entries - also ideal for offices, workout rooms, wine cellars or any room requiring access controlProfessional Grade security with the biggest adjustable bolt available for increased resistance to kick-insPre-set, unique, six-digit programming code, two pre-set unique four-digit user codes (19 code capacity)Keyless entry for enhanced security, no keys to lose or forgetFlex-Lock feature allows you to switch between unlocked or automatic re-locking with the turn of a buttonKeypad illuminates so you can see it at nightCodes easily added or deleted right at the keypad using the lock's unique 6 digit programming codeIncludes 9-volt battery, a 6 digit programming code, and two 4 digit user codes pre-set at the factory