Fingerprint Password Bluetooth Smart Door Knob Lock for Indoor Room Doors

You come home with your hands full, rest a finger on the green ring, and the knob turns.

This is a black spherical door knob with a keypad built into its face and a fingerprint sensor circled by a green light ring. Press the sensor, type your code, open the Tuya Bluetooth app on your phone or turn the mechanical key, and the door opens. The lock stores up to 100 fingerprints, so a whole household, plus guests and helpers, can have their own way in.

The knob is made of 304 stainless steel with a rounded, modern shape that sits naturally in the hand. It mounts on the surface of the door, fits door thicknesses from 35 to 50 mm, and the maker shows it replacing single tongue knob and lever locks with no drilling. It is made for indoor room doors. The kit includes two mechanical keys, a set of installation screws, a DC power adapter and a user manual.

Key Benefits

• Four ways in Unlock by fingerprint, by password on the keypad, by Bluetooth from your phone, or with the mechanical key.
• 100 fingerprints Store up to 100 fingerprints, enough for family members, guests and helpers.
• Tuya Bluetooth app Manage the lock from your phone and keep door opening records within Bluetooth range.
• Share and dynamic codes Share access with friends through the app, or use a dynamic password for a visitor.
• Two door modes Normally open mode lets you simply turn the knob, while anti-lock mode asks for the administrator fingerprint or password.
• Direct installation A surface mount for doors 35 to 50 mm thick, replacing an existing knob or lever lock without drilling.

Best for: Households that want keyless, app managed access to a bedroom, a home office or another indoor room door.

Why It Works

A smart lock earns its place when every way in is covered. This knob combines a fingerprint sensor, a keypad, a phone app and a mechanical key, and the maker notes that the key still opens the door when the lock is out of power.

Quick Product Facts: Model QS01; spherical smart door knob; fingerprint capacity 100; unlocking by fingerprint, password, key and Bluetooth; Tuya Bluetooth networking with the Tuya and Smart Life apps; 304 stainless steel; surface mount; compatible door thickness 35 to 50 mm; operating temperature minus 25 to 55 degrees C; operating humidity 40 to 80 percent RH; service life 200,000 to 300,000 cycles; DC power; two mechanical keys.

How It Fits Your Routine

At the door of a home office, enroll your own fingerprint and set a code for the person who comes in to clean. Nobody needs a key ring, and the green ring around the sensor shows where to rest a finger.

When a friend visits, share access from the app or hand them a dynamic password. Switch to normally open mode when the door should simply turn, and back to anti-lock mode when it should ask for the administrator fingerprint or password.

FAQ

How many ways are there to unlock it? Fingerprint, password, mechanical key and Bluetooth through the Tuya app. The maker also shows shared access, dynamic passwords and remote unlock with an optional gateway.

Which doors is it made for? Indoor room doors between 35 and 50 mm thick. The maker shows it replacing single tongue knob and lever locks, and its fitting guide leaves out single piece door lock sets such as a lever handle on one long plate, so check your current lock first.

Can I open it from anywhere? Bluetooth unlocking and door opening records work within Bluetooth range. Remote unlock away from home uses an optional Tuya Bluetooth gateway that you add to the setup.

What is in the box? One smart door lock, two mechanical keys, one set of installation screws, one DC power adapter and one user manual.