52HZ Fingerprint Door Knob with Lock, Smart Lock for Bedroom Door, Biometric Door Lock with App Control & Key, Thumbprint Keyless Entry Door Lock for Front Door, Home, Apartment, Office, Matte Black

【3 Unlock Ways & One Touch Lock】52HZ fingerprint door knob with lock includes 50 fingerprints unlock, App control and physical keys unlock to meet your diversity needs. Long press the rear lock button for 3s, the door lock automatically locks and the voice announces "Secure lock is on". Great for bedroom, living room, closet room, office, apartment, etc.

【Smart App Control & 8 Essential Features】The thumbprint door knob provides a complimentary application that enables users to effortlessly add fingerprints and passwords, check unlock records, adjust volume settings, display battery levels, activate passage mode, set auto lock and privacy mode for enhanced convenience and security. Please note that control is limited to Bluetooth range. In the event of door knob offline status, please first revoke access with fingerprint authentication before reconnecting.

【USB Charging & Low Battery Alarm】The fingerprint door lock is equipped with a USB port for emergency charging. And our product offers enhanced resistance to both low and high temperatures. It can operate normally in temperatures ranging from -22°F to 176°F, ensuring over 365 days of usage.

【Convenient Keyless Entry & Auto-Locking】 This finger print door knobs can recognize your fingerprint in just 0.1 seconds. It has the capacity to store up to 50 fingerprints for you to share with your family members, enabling them to enter your home without relying on mechanical keys. You can also set an auto lock timer through the app, ranging from 5 seconds to 60 seconds, ensuring the security of your home even when you're in a hurry.

【Stringent Testing Standards & Easy installation】Simultaneously, each of our products has successfully undergone a Mechanical Life Test of 200,000 cycles and other testings. Suitable for both left-handed and right-handed doors. The bedroom smart door lock is specifically designed to accommodate U.S. standard doors with back panel sizes of 2-3/8" (60mm) and 2-1/8" (70mm), as well as door thicknesses ranging from 1-1/8" to 2"-1/8" (30mm-55mm). Please check the size before your purchase.

【3 Unlock Ways & One Touch Lock】52HZ fingerprint door knob with lock includes 50 fingerprints unlock, App control and physical keys unlock to meet your diversity needs. Long press the rear lock button for 3s, the door lock automatically locks and the voice announces "Secure lock is on". Great for bedroom, living room, closet room, office, apartment, etc.