Fingerprint Door Lock, Keyless Entry Door Lock with Handle, Smart Door Lock,Biometric Smart Door Knob for Home Apartments Office Hotel Bedroom, Black

Key features

• 👍【3-in-1 Keyless Entry Door Lock】There are 3 ways of keyless entry for Fingerprint door knob: APP unlocking, Fingerprint unlocking, Backup mechanical key. Smart fingerprint door lock recognizes fingerprint within 1 second, keyless entry door bring a convenient & safer lifestyle by one touch. It can be added 100 groups fingerprints. Eliminate troubles of forgetting to bring key.
• 👍【Widely Application and Energy Saving Long Standby】biometric door lock Adopte 4*AAA batteries to unlock about 6000 times(up to 10-12 months) with low power consumption. Unlocking histories can be checked in app. Smart door knob is very suitable for home, hotel, school and garage. TTlock app runs well in both ios and android devices.
• 👍【High Quality Easy to Install】Keyless entry door lock is made of zinc alloy. Fingerprint door lock fits for most left & right handside doors from thickness 1.38 inch to 2 inch. The Backset is Adjustable for 2.38" (60mm) to 2.75" (70mm). It only needs a screwdriver to complete installation and it is perfect to replaces existing deadbolt and latch.
• 👍【Functions and Attentions】Electronic door locks deadbolt requires 4 AAA alkaline batteries (not included). Tips: Smart door lock is default Right-hand open direction. Please refer to the part starting from 3'35 in the "Install step by step" video If want to change Left-hand open direction. Please do Check Your Door Size Before Purchase.
• 👍【Customer Service】We will try our best to help you if any problems. Free return and exchange services for defective items.