Fits most doors: This password doorknob fits 1-3/8" to 2-1/2" thickness doors, with a 2-3/8" or 2-3/4" adjustable latch. options rosette rubber seal suitable for more door, Install it by yourself with just a screwdriver in minutes. It is suitable for left or right-handed doors of your bedroom ,front door entry and backdoor, etc.Reliable & Trusted Warranty: IP65 weather resistance. Quality materials and industrial circuit design ensure this door lock reliable. Can work in extreme environments (works great from -22F to 176F, rain and sun) They are awesome gifts for the people you love. Each door lock comes with long-term warranty and 7X24 Efficient service.Keyless Entry & Stylish: This keypad door knob lock assigns up to 50 customizable 1-15 digit codes for family or stuff to experience convenience. The knob has perfect size,come with detachable silicone grip,more snug on handle.Ergonomic design can bring trendy style to modern residential and commercial exterior & interior doors.,suitable for screen, wooden and metal doors,etc.Feature-rich & Smart: The keypad of this door handle has clear numbers and soft backlight, so it can be operated day or night. You can activate passage mode when you don't want it locking. Enable silent mode if you dont want to disturb. 4 AAA batteries can be used for 18 months,low battery alarm. Use type-c USB backup in case that batteries run out.Premium Security & Durable: This electronic code door knob adopts heavy-duty design, sturdy and durable. solid lock cylinder with 2 keys that are compatible with most mechanical keys. Premium metal construction, Plating Finish. It offers the best protection against burglary or break-in. Ideal for home, rental, office, hotel, garage, and apartment, etc.