Smart Fingerprint Door Lock with Keypad,Bluetooth APP Keyless Entry Door Lock, Biometric Deadbolt Door, Knob Gate Locks Left-Right Adjustable Handle for Bedroom Hotel Warehouse Office, ??【 4-in-1 Smart Lock】: This fingerprint door knob have 4 ways of keyless entry: fingerprint + Bluetooth APP + Password + Backup Mechanic Keys. 2021 New upgraded fingerprint technology,less than 0.3 second identification,50 fingerprints.Suggest the finger is dry when unlocking the smart home door lock, in case wet or use lotions fingerprint will affect accuracy of identification. No more fumbling around for keys when you go out., ??【 Solid Material with Widely Application】: The keyless entry door lock deadbolt is made of zinc alloy material, anti-corrosion, sleek and elegant with a simple, stylish look and providing a higher grade of security and privacy protection for your house, apartment, office, hotel or any other personal spaces.The whole process of smart deadbolt installation could be finish within several minutes, wifi keyless entry door lock fits both left and right handed doors and no wiring and drilling needed., ??【Smartphone Control】The door lock wifi can enjoy with Bluetooth unlocking anytime. See who comes and goes from anywhere. E-keys are the new hide-a-key in the biometric door lock app. Quickly and easily share permanent, temporary or scheduled access with friends, family, never hide a key under the doormat again., ??【Functions and Attentions】: The electronic door locks deadbolt requires 4 AAA alkaline batteries (not included) and meets US standard door, Backset 2-3/8″(60mm) and 2-1/8″(70mm), door thicknesses from 1-3/8'' to 2-1/8''(35mm -55mm). The smart lock with handle functions of passage mode, automatic locking mode, Scramble PIN Code, low battery warning, emergency power supply are all inclusive., ??【 Satisfaction Guaranteed and Technical Support】: We are committed to creating customers an excellent experience on fingerprint door knob lock and promise you a 1-year warranty and life-time technical support for your gate lock. When you encounter smart key lock installation issues or there are missing parts, feel free to contact with Cilee customer service support., ,