Fingerprint Door Lock Biometric Door Knob with Keypad Keyless Entry

In this review of the Fingerprint Door Lock Biometric Door Knob with Keypad Keyless Entry, the reviewer finds a practical, multi-method lock aimed at homeowners, renters, and small offices who want secure keyless access without rewiring. The single biggest reason to buy is its combination of a fast fingerprint sensor and flexible access methods - fingerprint, app, passcode, IC card and mechanical keys - which together simplify daily entry while preserving backup options. Installation is straightforward and most users can fit it without a professional, making it a sensible upgrade for interior and some exterior doors.

Key Features

• 5-in-1 Access: Offers fingerprint, passcode, IC card, Tuya app control and two mechanical keys so homeowners have multiple reliable ways to enter.
• Fast Fingerprint Recognition: The upgraded sensor recognizes prints in under a second, reducing failed attempts and allowing near-instant access for frequent use.
• App Management: Tuya app control lets administrators add permanent or temporary codes, assign access and review entry logs for better control of who comes and goes.
• Multiple Passcode Modes: Supports custom, time-limited, dynamic and one-time passcodes so guests, delivery personnel or short-term renters can receive tailored access.
• Tool-free Installation: Fits 1.18in to 1.97in thick wooden doors and installs quickly without drilling or wiring, with included tools and video guidance to simplify setup.
• Privacy and Backup: Silent mode and two mechanical keys provide discretion and emergency fallback if batteries or devices fail.

Who It's For

This door knob is best for homeowners, landlords and apartment tenants who want a smart lock that balances advanced biometric convenience with traditional backups. Small offices and bedroom doors can also benefit from the compact design, fast fingerprint reader and multi-user support for up to 100 fingerprints and 50 passcodes.

It is less suitable for heavy-duty exterior use in extreme weather unless installed in a sheltered entry, and buyers who require full metal reinforced deadbolt security or wired enterprise systems should look elsewhere. Those who want a completely mechanical lock without electronics should also consider a different product.

Pros & Cons

Pros

• Fast and accurate fingerprint recognition that unlocks quickly with low false rejections.
• Flexible access methods including app control, passcodes, IC card and backup keys for peace of mind.
• Easy installation on standard wooden doors with included tools and video tutorials.
• Good build quality and a sleek design that fits modern interiors.

Cons

• Not marketed as a heavy-duty exterior deadbolt, so extreme weather or reinforced security needs may require a different lock.
• Advanced features depend on the Tuya app, which requires a smartphone for remote management.

Specifications

Access Methods	Fingerprint, passcode, IC card, Tuya app, 2 mechanical keys
Fingerprint Capacity	Up to 100 fingerprints
Passcode Capacity	Up to 50 passwords; supports time-limited and one-time codes
Door Thickness	Fits 1.18in - 1.97in wooden doors
Installation	No drilling or wiring; includes tools and video tutorials
Fingerprint Speed	Recognizes prints in under 1 second

Our Verdict

The Evanshow biometric door knob is a practical, good-value choice for residential interiors, apartments and small offices that want fast fingerprint access combined with app and passcode control. Its easy installation, multiple backup methods and responsive sensor make it a sensible upgrade for most users who value convenience and layered security.

Frequently Asked Questions

Can multiple people be added?
Yes, the lock supports up to 100 fingerprints and up to 50 passcodes, making it suitable for families and frequent guests.

Is professional installation required?
No, the knob is designed for easy fit on 1.18in to 1.97in wooden doors and includes tools and video tutorials for DIY installation.

What happens if the battery dies?
Two mechanical keys provide emergency access and the app-managed settings let you plan temporary codes before battery failure.