Zengtumy 4-in-1 Fingerprint Smart Door Lock – Password, Key, IC Card – Silver

Meet Zengtumy 4-in-1 Fingerprint Smart Door Lock

Discover a versatile entry solution designed for modern spaces. The Zengtumy smart door lock combines four access methods—fingerprint, password, mechanical key, and IC card—into a compact, sleek device. It’s well suited for bedrooms, apartments, hotels, and small offices, offering flexible options that adapt to how you live and work. The silver finish integrates with contemporary interiors while keeping security accessible and straightforward.

Fast access with smart convenience

Experience swift, reliable entry with a 0.3-second fingerprint scan that can store up to 100 fingerprints. This makes it easy to share access with family members or trusted colleagues without handing out keys. The mix of methods ensures there’s always a way in, even if one option is temporarily unavailable.

• Fingerprint unlock for rapid entry
• Password entry for private codes
• Mechanical key backup for traditional access
• IC card reader for convenient credentials

Smart safety without being intrusive

Auto-locking after the door closes adds a considerate layer of security for busy days and busy households. This feature helps prevent accidental unlocks when you’re juggling items at the door, making it ideal for shared living or work environments.

• Auto-lock after every closure
• USB emergency power port for peace of mind if batteries die

DIY-friendly installation

Designed for tool-free installation, it fits standard left/right swinging doors with thicknesses from 1.18 to 1.97 inches. Guided videos walk you through a quick, screwdriver-free setup, so you can secure your door in minutes without professional help.

Important setup note

Before first use, you must register an administrator fingerprint. Until this is done, the lock may accept any fingerprint. Completing the admin setup ensures controlled access and a smoother daily experience.

Real-world scenarios

From cozy bedrooms to hotel rooms and small offices, this lock suits spaces that value both security and convenience. The compact design and durable finish blend with diverse interiors while keeping entry secure and manageable for everyday life.