SECURE KEYLESS ENTRY: Fast and quiet motorized deadbolt with illuminated keypad provides keyless door entry to your home, and one-touch locking when leavingEASY PROGRAMMING: Setup keyless door entry with up to 30 programmable unique user codes, perfect for small businesses, utility rooms, public restrooms3 LOCKING MODES: "Auto-lock" locks after entry and exit, "Passage" stays unlocked, "Disable Passage" auto-locks every time and requires a key or code for entrySMARTKEY SECURITY: Kwikset's SmartKey security technology protects against advanced break-in techniques and allows you to re-key your lock yourself in secondsEASY INSTALL: Do it yourself, installs in minutes with just a screwdriver, fits doors between 1-3/8"" and 1-3/4"" thick, 1 9v battery lasts up to 3 yearsPRODUCT WARRANTY: Locks and handles have a lifetime mechanical and finish warranty, and a 1 year electronics warranty; see Kwikset warranty for full details