Matte Black Smart Door Knob Lock with Fingerprint & Keypad, App Control, Auto Lock, Keyless Entry Biometric Door Knob for Bedroom Home Office Interior Door, Easy DIY Install

Matte Black Smart Door Knob Lock – Fingerprint, Keypad & App Control with Auto Lock

Upgrade your interior doors with this sleek matte black smart door knob lock. Combining fast biometric fingerprint recognition, keypad PIN entry, and smartphone app control in one premium fingerprint-resistant unit, it delivers effortless keyless access with a modern aesthetic that complements any bedroom, home office, or interior door. Auto Lock ensures your door is always secured without a second thought.

Why Choose This Matte Black Smart Door Knob Lock?

• 🖐️ Fingerprint Recognition – Fast, accurate biometric unlock; register multiple fingerprints for family members or colleagues for instant hands-free access.
• 🔢 Keypad PIN Code – Enter a personal code for quick access; supports anti-peep digit entry to protect your PIN from onlookers.
• 📱 App Remote Control – Lock, unlock, and manage user permissions remotely via your iOS or Android smartphone from anywhere.
• 🔄 Auto Lock – Automatically locks after the door closes — you'll never have to worry about leaving it unsecured again.
• 🔑 Keyless Entry – No physical key required for daily use; eliminates the risk of lost or copied keys.
• ⬛ Premium Matte Black Finish – Fingerprint-resistant coating with a sleek modern look that blends seamlessly with contemporary interior design.
• 🔧 Easy DIY Install – No wiring or electrician needed; installs on standard interior doors in minutes.

Specifications

Frequently Asked Questions

Q: Who is this matte black smart door knob lock best suited for?
A: Ideal for homeowners, renters, and office managers who want a stylish, keyless interior door lock with biometric fingerprint access and remote app control for bedrooms, home offices, and interior doors.

Q: What are the main uses for this smart door knob?
A: Perfect for bedroom privacy, home office security, rental property tenant code management, and any interior door where you want keyless, app-controlled access with a modern matte black aesthetic.

Q: Is this a good gift idea?
A: Yes — it makes an excellent housewarming gift, new home gift, or home upgrade gift for homeowners, renters, or anyone looking to modernize their interior doors with smart keyless technology.

Q: How does the auto lock feature work?
A: After the door closes, the smart knob automatically engages the lock mechanism within a set time — no manual locking needed, ensuring your room is always secured.

Q: Can I register multiple fingerprints for different family members?
A: Yes — multiple fingerprints can be registered so each family member or colleague has their own biometric access without sharing PIN codes.

Q: Does this lock have STEM or smart home educational value?
A: Absolutely — it's a hands-on introduction to biometric technology, IoT smart home systems, and app-based access control, making it a great learning tool for tech-curious teens and smart home enthusiasts.

Fast US Shipping

Ships from US warehouse, free delivery 2-7 business days.