Fingerprint Door Lock - Keyless Entry Door Lock with Keypads - Smart Deadbolt Biometric Digital Electronic Door Lock - NUTOMO Smart Door Lock Front Door - Anti-Peeping Code - Matte Black, Keyless Entry Door Lock: Unlock your door can be much easier than fumbling with a key when your arms are full of groceries, keypad lock provides easy key free access to your house using your fingerprints or using an illuminated highly responsive keypad, optional mechanical key override lock is available as an extra backup., Biometric Fingerprint Identification: It recognize your fingerprint in just 0.3 seconds, and unlock your door in 1 second. Up to 50 fingerprints for your kids, family members, or employees. Especially for kids or the elders. Never worry about lost, stolen or copied keys again., Maximum Convenience: Give your pet sitter one time access code to your place while you are out of town, or issue up to 100 easy to remember user code for your guests, visitors, housekeepers. Keypad door lock also allows you to set the door to auto lock after 1 to 60 seconds or apply 1 touch motorized locking, so you never have to worry about whether you locked your door., Simple DIY Installation: No costly locksmith required, includes necessary hardware components(a phillips head screwdriver) and detailed manual, you will be able to install and program this electronic digital door lock by yourself, battery powered by 4 AA batteries(not provided), no App and hub required. Fits door thickness of 1-1/2 inches to 1-7/8 inches(38mm-48mm), includes an adjustable deadbolt(60mm-70mm) to fit most standard door preparations., Longer Lifespan & More Reliable: 4pcs AA batteries can provide 10800 openings (approx. 18 months). Electronic lock will remind you to replace the battery(The keypad flashes red quickly).You could temporarily charge your keyless door lock by using Type-C back up. Satisfaction Guaranteed (30-day money back guarantee+one year product warranty) and lifetime customer support from the date of purchase. See NUTOMO warranty for full details., ,