Schlage FE595 CAM 619 Acc Camelot Keypad Entry with Flex-Lock and Accent Levers, Satin NickelAbout this item 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. Universal latches and deadbolts fit 2 3 8 inches (60mm) or 2 3 4 inches (70mm) backset. The door thickness range is 34. 925 mm to 44. 45 mm Codes easily added or deleted right at the keypad using the lock's unique 6 digit