YNCTORO Fingerprint Door Lock, Biometric Door Knob, Keyless Entry Door Handle with Fingerprint, Keypad Lock with Touchscreen, Noise-Free, Smart Door Lock for Bedroom,Office,Apartment,Airbnb, ??【Fast Fingerprint Unlock】: The fingerprint door lock combines 3 entry ways into 1 smart lock, Fingerprint+Passcode+Backup Keys. This fingerprint recognition rate up to 99% and unlock the door within 0.1 seconds, support 6 languages with voice prompts, 50 fingerprints capacity allows you to get rid of the annoyance for keys seeking. The volume is adjustable for 4 different level to avoid disturbing.If you live with anyone, kids, family, roommates,this smart lock is really a must have., ??【Smooth Door Handle】:The keyless entry door knob is arc-shaped designed with a smooth elegant black surface, which is mainly made of solid zinc alloy, wire free, anti-corrosion, safe and classic. The biometric door lock provides an upgrades level of security by using back locking function, Scramble PIN Code, Auto-Locks for your home, apartment, office, university dormitory or any other private places., ?? 【Simple To Use】: The bedroom door locks with keypad needs 4 AAA alkaline batteries (package not included) and meets US standard door, Backset 2-3/8″(60mm) and 2-1/8″(70mm), with door thicknesses from 1-3/8'' to 2-1/8''(35mm -55mm). Functions like Passage Mode, Auto Locking, Double Locking, Scramble PIN Code, 6 Languages, Reversible Handle ,Low Battery Warning, Volume Control etc, are all-inclusive., ??【 Easy Installation】: No wiring and drilling, all you need is one Phillips screwdriver.This biometric door lock with handle is distinguished from other APP or WI-FI products, leave out a lot of complexities of installation and problem of application compatibility. The door lock fingerprint gives equivalent safety but fairer price.Voice prompts will guide you to set up fingerprints and codes., ?? 【Trusted Warranty】 YNCTORO door knob with fingerprint committed to creating customers an excellent experience on our fingerprint door lock and promise you 30-days money back guarantee and life-time technical support. Any question such as installation or functional problems were guaranteed to be responded within 8 hours., ,