Secustone Fingerprint Door Lock Keyless Entry Door Lock, Door Locks with Keypads, Handle, Passcode, Fingerprint, and Key Unlock, Door Knob Easy to Install for Home, Apartment, Office, Bedroom, Black

Key features

• 🔒【FINGERPRINT ONE TOUCH UNLOCK】: Fingerprint door lock adopt advanced biometric fingerprint technology, resolution is 508DPI, fingerprint recognition rate up to 98% and open the door just need 1 second. You can add 30 groups fingerprints（Note: When adding a fingerprint, please enter different areas of the fingerprint so that the added fingerprint is more accurate）, Eliminate the trouble of forgetting to bring the key when you go out.
• 🔒【LARGE AREA FINGERPRINT SENSOR】: Fingerprint door lock has upgraded the resolution of the large area fingerprint sensor. 160*160, the area is increased by 35% compared with the ordinary fingerprint sensor 120*120.
• 🔒【THREE UNLOCK MODES】: Fingerprint door lock support three unlock modes: fingerprints, passcodes and mechanical keys, You can set according to your needs.You can even set the free pass mode and keep it unlocked at any time which is convenient for the children and the elderly to enter and exit freely.
• 🔒【VOLUME ADJUSTMENT】: The sound of the smart lock is divided into 1, 2, and 3, and the level can be manually adjusted.（1: minimum volume, 2: medium volume, 3: maximum volume）
• 🔒【DIY INSTALLATION】: Keyless entry door lock is designed to fit 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). No wiring and no drilling. Fit both left handed and right handed doors(Suitable for indoor and outdoor doors).
• 🔒【WARMTIPS】: Smart door lock requires 4 AAA batteries (not included), According to the frequency of use, it can be used for up to 8-10 months. It has low battery reminder function (the red light will flash three times when unlocking); Equipped with a USB interface for emergency charging.(Note: This interface is only used for emergency charging, the battery cannot be charged, and the battery needs to be replaced in time.)
• 🔒【AFTER-SALES SUPPORT】: Offering response within 24 hours customer service, If you have any questions about our door lock, please feel free to contact us, 30-days money back guarantee, 12 months warranty and lifetime technical support.
• ❗【TIPS 1】: Smart door knob need to install 4 AAA alkaline batteries, please make sure that the cable is plugged in properly during the installation.
• ❗【TIPS 2】: Door knob with keypad need to add the administrator fingerprint or password correctly, otherwise the smart lock will be in a state that any fingerprint can unlock the smart lock.