This electronic deadbolt provides convenient keyless entry for homes, apartments, rentals, and offices. It supports up to 100 user codes plus one-time PINs for flexible access management. The lock features selectable auto-lock timing, an LED backlit keypad, anti-peep password protection, and low-battery alerts. Built from aluminum alloy with an IP55 waterproof rating, it is designed for reliable indoor or outdoor use. Installation is straightforward with a screwdriver and it fits both left- and right-hand doors.