Smart Fingerprint Door Lock With Keypad And App Control, 4-In-1 Biometric Keyless Entry For Bedroom, Home, Hotel Or Office, Fast 0.3s Recognition And 1s Open, Stores 100 Fingerprints And 50 Passwords, Black

4-in-1 Smart Fingerprint Lock with Keypad and App Control
✔️ 4-in-1 biometric lock: fingerprint, keypad, app, keys (single unit)

This smart fingerprint door lock combines biometric access, keypad entry, two mechanical keys, and app control. It’s ideal for bedroom, home, hotel, or office doors and fits standard US backset and door thickness.

✅ 4‑in‑1 access: fingerprint, password, 2 mechanical keys, and app control
✅ Enlarged 160x160 DIP fingerprint sensor with 35% larger recognition area
✅ USB emergency charging with low battery alarm; uses 4 AAA batteries
✅ US standard door compatibility: backset 60mm (2-3/8") and 70mm (2-3/4"); door thickness 30-55mm (1-1/4"-2-1/4")
✅ After-sales support: 30-day money-back, 12-month warranty, lifetime tech help

💡 What is a smart fingerprint door lock with keypad and app control used for in home or office security?

This handy device provides secure, easy access control. - handy access methods: fingerprint, keypad, app control, and spare keys - security benefits: quick unlock, audit trail via app, offline backup with keys - ideal applications: homes, offices, hotels, bedrooms, and entrances