Smart Fingerprint Door Lock, Thumbprint Entry Door Knob for Bedroom

Price: $32.79 - $31.15
(as of Oct 09, 2026 02:14:09 UTC – Details)

Product description

BACK-UP KEYS

Equipped with 2 physical keys in case of unexpected need.

1 FINGERPRINT UNLOCK

2 BACK-UP KEYS

3 Create Fingerprints

1 AUTO LOCK FUNCTION

2 PASSAGE MODE

3 SILENT MODE

4 LOW BATTERY ALARM

Suitable for Left and Right Doors

The smart fingerprint doorknob installs quickly with a screwdriver and fits American standard doors. It accommodates latch sizes of 2-3/8″ or 2-1/8″ and door thicknesses from 1-3/8″ to 2-1/8″, suitable for left and right doors.

Choose Our Unique Doorknob

Our doorknob Keyhole in front is more convenient to make your daily access to the house more convenient.

Hiencetec Fingerprint door lock: Biological fingerprint door handle adopts advanced 360° fingerprint sensor, 99% recognition rate, 0.3 reading fingerprint speed. It can store up to 50 fingers, no more searching for keys or worrying about forgetting them.
Easy installation: The smart fingerprint door knob can be easily installed in minutes with a screwdriver, the door lock design is suitable for American standard doors. The latch size is 2-3/8″ (60mm) or 2-1/8″ (70mm), and door thicknesses from 1-3/8″ to 2″- 1/8″ (35mm-54mm), Suitable for left doors and right doors.
Automatic lock: The smart door lock has built-in sensor detection and automatically locks when your door is closed for 5s. Keep your home safe, even if you forget to lock it sometimes.（The automatic locking function cannot be turned off.）
Emergency charging: The biometric doorknob is powered by 4 AAA batteries (not included). In addition, the smart doorknob comes with a usb-c port for emergency use. But it can’t be charged and can only be unlocked in an emergency when the battery is dead. Or you can use a spare key to unlock it.
Customer Support：Fingerprint door lock provides a 30-day return policy, 12 months change lock. 24 hours email or phone technical support.
Customers find the door lock to be super and recommend it. The installation process receives mixed feedback, with some finding the setup instructions easy to understand while others find them confusing. The fingerprint recognition system also gets mixed reviews, with customers appreciating the ability to add fingerprints, though one customer notes it limits access to the first two fingerprints loaded. Value for money opinions are divided, with some considering it a good buy while others say they wouldn’t spend their money on it.