Smart Door Knob — FingerLock Pro

Meet the last door lock you'll ever need.

The Smart Door Knob gives you complete control of your home security:

• 👆 Fingerprint unlock in 0.5 seconds
• 📱 Control via smartphone app
• 🔑 Backup key included
• 🔋 Long battery life
• 🔧 Easy DIY install — no tools needed
• 🏠 Perfect for home, office & Airbnb

Stop fumbling with keys. Start living smarter.

Order today & get Free Shipping! 🚀

Why thousands choose SmartKnob?

⭐ "I installed it in 10 minutes. Best purchase I've made this year!"
— Michael, Netherlands 🇳🇱

⭐ "No more hiding keys under the mat. My Airbnb guests love it!"
— Sofia, Spain 🇪🇸

⭐ "Simple setup, works perfectly. Feels like a premium product."
— James, UK 🇬🇧

Join 10,000+ happy customers who upgraded their home security! 🔐

📋 Technical Specifications

• Unlock methods: Fingerprint, App (Bluetooth/Wi-Fi), Backup key
• Fingerprint capacity: Up to 100 fingerprints
• Door compatibility: Standard doors 35–55mm thickness
• Lock type: Fits standard deadbolt & knob cutouts
• Battery: 4 × AA batteries — up to 12 months standby
• Low battery alert: Yes (app notification + LED)
• IP Rating: IP54 — splash & dust resistant
• Certifications: CE, FCC, RoHS compliant
• Material: Zinc alloy + ABS
• Installation time: ~10 minutes, no special tools required

🛡️ Warranty & Returns

• Warranty: 12-month manufacturer warranty
• Coverage: Manufacturing defects, electronic components
• Returns: 30-day hassle-free return policy
• Support: Email support within 24 hours