This electronic keypad door knob lock provides convenient key-free entry for residential and commercial use, suitable for doors in bedrooms, front entries, garages, and more. It features a stylish, modern design with a perfectly sized knob and detachable silicone grip for comfortable handling. The lock is built with heavy-duty metal construction for durability, including a solid lock cylinder and two backup mechanical keys for extra security. It offers functions like a backlit keypad for easy day or night use, passage mode, and silent mode, plus a low alarm and Type-C USB backup power. Installation is simple with just a, and the adjustable latch fits standard door thicknesses, working for both left- and right-handed doors. Rated IP65 for weather resistance, it performs reliably across a wide temperature range, and comes with a long-term warranty for added peace of mind.