Smart Door Lock with Knob Keyless Entry - Fingerprint & App Control

In this review of the Smart Door Lock with Knob, the bottom line is simple: this is a practical, modern replacement for a standard doorknob that focuses on convenience and reliable biometric access. It is best for homeowners or renters who want a keyless solution for a bedroom, apartment, or front door and who value fast fingerprint recognition and app-based management. The reviewer found the combination of fingerprint, passcode, IC card, NFC and mechanical key backup compelling, and the easy install without drilling or wiring makes it accessible to DIY users.

Key Features

• Keyless entry via app: The Tuya app lets you lock and unlock remotely, assign access and check entry logs for simple management from a phone.
• Fast fingerprint unlock: The advanced biometric sensor claims near-instant unlocks, reducing fumbling and making daily use seamless.
• Multiple access methods: Use fingerprint, keypad passcode, IC card, NFC card or two physical keys to ensure there is always a backup way in.
• Auto-lock function: The knob can auto-secure after a preset time so you do not have to worry about forgetting to lock the door.
• Easy installation: Fits 1.18in to 1.97in thick wooden doors and installs without drilling or complex wiring, letting most users replace a knob in minutes.
• Privacy and quiet modes: Silent mode and randomized keypad digits help protect passcodes and avoid disturbances at night.

Who It's For

The Smart Door Lock with Knob suits renters and homeowners who want an upgrade from a traditional keyed knob without complicated wiring; it is especially useful for people who value quick biometric access and remote control through a smartphone app. It also works well for families who need to issue temporary or permanent codes for guests, cleaners or delivery staff.

This is less appropriate for very heavy-duty exterior doors that require commercial-grade deadbolts or for users who need full smart home platform exclusivity beyond Tuya app integration; those buyers should consider a dedicated deadbolt or a hub-integrated lock instead.

Pros & Cons

Pros

• Responsive fingerprint recognition and short unlock times for daily convenience.
• Multiple access options including passcode and IC/NFC card provide flexibility and redundancy.
• App management makes it easy to assign temporary access and view entry logs remotely.
• Simple, no-wires installation fits most standard wooden doors and saves on professional costs.

Cons

• Not a heavy commercial deadbolt, so those needing maximum exterior security may prefer a different lock.
• Advanced app features require a phone and app setup, which adds a small learning curve for some users.

Specifications

Product type	Smart door knob lock
Access methods	Fingerprint, keypad passcode, IC/NFC card, mechanical key
Fingerprint tech	360 Live Fingerprint ID, fast recognition
Door thickness	Fits 1.18in - 1.97in wooden doors
App	Tuya app for remote control and access management
Auto-lock	Programmable auto-lock after preset time
Installation	No drilling or wiring required

Our Verdict

The Smart Door Lock with Knob is a strong value for residential users who want fast fingerprint access, multiple entry options and simple app management without complex installation. It is a practical, well-made upgrade for bedrooms, apartments and front doors where convenience and versatile access control matter most.

Frequently Asked Questions

Can this lock be used on left and right swing doors?
Yes, the design fits both left and right swing wooden doors within the specified thickness range.

What happens if the battery dies?
There are two physical backup keys for emergency entry and the lock supports mechanical key access if batteries are depleted.

Can I give temporary access to guests?
Yes, the Tuya app lets you assign temporary or permanent passcodes and manage access remotely.