Fully Automatic TUYA Palm Vein 3D Face Recognition Smart Digital Lock with Doorbell

For a complete home automation experience, this cutting-edge smart lock features a 16mm panel design, palm vein biometric technology for high-level security, and smart home integration capabilities. A 4-inch large and 170° ultra-wide-angle viewer, a quiet lock body, and 3D structured light face recognition are some of the premium features. No more stumbling around with keys; simply open your door with your palm and it will be done in no time. With the Kotonlink Smart Lock PP51 PRO, you can get rid of traditional door locks and increase your home's security to a whole new level of sophistication, convenience, and security.

"KT-PP51 PRO Experience 10 big convenient"

Doorbell

Digital viewer

APP (TUYA Smart App)

Fingerprint

Password

Mechanical key

NFC

Manual turn knob (in house)

Facial recognition

Palm recognition

3D Face Recognition Smart Door Lock, WiFi Door Locks with Camera, Video Doorbell, Fingerprint, Passcodes, IC Card, Keyless Smart Mortise Lock, Alexa Door Locks for Front Door, Tuya APP

This item is a smart door lock that offers a range of advanced features for enhanced security and convenience. Here's a detailed breakdown of its key features:

1. ‌AdvancedFacial Recognition‌: The lock utilizes cutting-edge3D facial recognition technology, allowing you to unlock the doorinstantly with just a glance. This provides a highly secure and convenientway to access your home.
2. ‌6-in-1Keyless Convenience‌: The lock offers multiple entrymethods, including fingerprint, password, IC card, key, and the Tuya app.This gives you flexibility and ensures that you can always access yourhome, even if you forget your key or lose your card.
3. ‌IntegratedSecurity Camera‌:The lock is equipped with a built-in camera that captures images ofauthorized users and records entry attempts. This allows you to monitoryour home in real-time and provides an additional layer of security.
4. ‌WirelessConnectivity‌:The lock can be connected to your home network, enabling remote access andcontrol via a user-friendly mobile app. This means you can lock or unlockthe door, check the camera feed, and receive notifications about entryattempts from anywhere.
5. ‌RechargeableBattery‌:The lock is powered by a rechargeable lithium battery, which eliminatesthe need for frequent battery replacements. This not only saves you moneybut also reduces waste, making it an environmentally friendly option.
6. ‌EnhancedSecurity Features‌: The lock features a robustmortise lock design, deadbolt mechanism, and intelligent control systems,providing added protection against unauthorized access.
7. ‌EnvironmentallyFriendly‌:The reusable battery and sustainable design of the lock contribute to agreener future. This is an important consideration for those who arelooking to reduce their environmental impact.

Overall, this smart door lock offers a combination of advanced technology, convenience, and security features that make it an excellent choice for homeowners who want to upgrade their home security system.

KT-PP51-TY 3D Face Recognition Smart Door Lock with Tuya App, WiFi & Video Intercom – Fully Automatic Fingerprint + Password + IC Card + Key Unlock | Anti-Peeping Keypad | Indoor HD Display

📝 Product Description

🔐 Welcome to the Future of Home Security: The KOTONLINK KT-PP51-TY 3D Face Recognition Smart Door Lock 🔐

Powered by Tuya Smart Technology, the KT-PP51-TY is a fully automatic, AI-powered smart door lock that combines advanced 3D facial recognition, high-definition video intercom, fingerprint sensing, and remote mobile control into one sleek, modern design. Ideal for smart homes, apartments, hotels, and premium residences, this lock redefines convenience, security, and peace of mind.

🌟 Why Choose KT-PP51-TY?

✅ True 3D Facial Recognition – Fast & Secure

• Uses deep learning encryption algorithm to analyze facial features without storing images
• Recognizes faces in 0.5 seconds — even with hats, glasses, or makeup
• Anti-spoofing technology: Photos, videos, masks are rejected instantly
• No dead zones: Wide-angle detection from 1.2m to 2m height
• Privacy-first: Only feature values are saved — no face image storage

✅ Multiple Unlock Methods – Total Flexibility
Open your door in 9 ways:

1. 3D Face Recognition – Hands-free access
2. Fingerprint (Semiconductor Sensor) – 99.99% accuracy, 0.5s response
3. Password – With anti-peeping virtual keypad
4. IC Card / RFID Swipe – For guests or staff
5. Mechanical Key – Emergency backup
6. APP Remote Control – Open from anywhere via Tuya app
7. Video Call + Voice Intercom – See and talk to visitors before unlocking
8. One-Click Lock/Unlock – Simple operation
9. Combination Password – Enhanced security with front-door anti-lock

✅ Smart Video & Surveillance System

• HD Camera + Cat-Eye View: Real-time monitoring of who’s at your door
• 24/7 Mobile Phone Monitoring: Receive alerts and live video on your phone
• Remote Video Intercom: Talk to visitors through the app
• Active Surveillance Mode: Detects motion and records events automatically

✅ Advanced Safety & Emergency Features

• USB-C Emergency Charging Port: Power up when battery dies
• Emergency Handle: Quick exit during fire or emergencies
• Multiple Alarms: Intrusion alert, low battery warning, forced entry detection
• Auto-Lock Function: Door locks automatically after closing

✅ Sleek Design & Premium Build

• Matte black finish with ergonomic handle
• Indoor HD Display Screen: See visitor video, time, and status
• Type-C Charging Interface for easy maintenance
• Compatible with 6068 Mortise Lock Body (multiple options available)
• Dimensions: 423mm × 70mm × 24mm (external), suitable for standard doors

✅ Tuya Smart Ecosystem Integration

• Works seamlessly with Tuya Smart App (iOS & Android)
• Supports voice assistants: Alexa, Google Assistant, Siri
• Connects with other smart devices: lights, cameras, thermostats
• Cloud-based data storage & real-time access logs

🏡 Perfect For:

✔️ Smart Homes & Apartments
✔️ Hotels & Serviced Residences
✔️ Airbnb & Vacation Rentals
✔️ Office Buildings & Condominiums
✔️ Families with Kids or Elderly Members

📦 Bulk Orders Welcome | OEM/ODM Customization Available
🔧 Custom Logo, Color, Language, Packaging – We Support Full Branding Solutions!
🌐 Global Certification Ready: CE, RoHS, FCC, UKCA compliant

👉 Contact Us Today for Sample Requests & Wholesale Pricing!
Upgrade your home security with the most intelligent, fastest, and safest smart lock on the market — the KOTONLINK KT-PP51-TY.

* Packing List:

Single unit gross weight: 4.5kg.

Gift box size: 49*23*13cm.

One carton gross weight: 27kg.

Carton size: 50*40*50cm (6pcs in one carton)

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