Smart Door Knob

Smart Door Knob

Upgrade your door security with our Smart Door Knob Keyless Entry Lock, an advanced solution designed for the modern home and office. This electronic lock combines ease of installation and premium quality materials, offering a seamless transition from traditional locks without compromising on security. Constructed from durable aluminum alloy and stainless steel, it features a robust design that is resistant to high temperatures and equipped with C-level anti-theft technology. The lock is powered by a rechargeable 400mAh lithium battery, ensuring long-lasting performance up to six months on a single charge, with a convenient Type-C charging interface for emergencies. Offering versatility, it supports multiple unlocking methods including biometric fingerprint recognition, emergency keys, and remote access via the TUYA App with Bluetooth connectivity. Suitable for a wide range of door thicknesses from 33–55mm, it's the perfect choice for residential, apartment, office, and commercial applications, ensuring a smarter, secure, and more convenient lifestyle.

Key Features

• Biometric fingerprint sensor for quick access
• Rechargeable 400mAh battery (Type-C charging)
• Supports TUYA App via Bluetooth for remote access
• Mechanical key backup for emergency entry
• Compatible with doors 33–55mm thick
• Durable aluminum alloy + stainless steel build

What’s Included

• 1 x Smart Door Knob Lock
• 2 x Mechanical Emergency Keys
• 1 x Type-C Charging Cable
• 1 x Set of Screws and Installation Kit
• User Manual with TUYA App Instructions

Perfect For

• Apartment and home entry doors
• Office doors or shared rooms
• Remote access for Airbnb or short-term rentals
• Security-conscious home upgrades

How to Use

• Install the knob using the included hardware
• Charge the device fully with the USB Type-C cable
• Register fingerprints and connect to the TUYA App
• Set up users, access permissions, and backup options
• Monitor access logs and control remotely if needed

FAQ

• How many fingerprints can it store?
  Most models support up to 50 fingerprints.
• Does it work without WiFi?
  Yes, the core functions operate offline; Bluetooth is used for app sync.
• What happens if the battery dies?
  You can unlock using the emergency key or recharge via USB-C.
• Is it weatherproof?
  It is suitable for indoor or sheltered outdoor use—avoid direct rain exposure.
• Can it be used on both left and right-opening doors?
  Yes, the handle orientation is reversible during installation.