Description
Price: $39.99 - $35.99
(as of Oct 19, 2025 08:00:18 UTC – Details)
Product description
The video showcases the product in use.The video guides you through product setup.The video compares multiple products.The video shows the product being unpacked. fingerprint door knob 291Y Merchant Video
The video showcases the product in use.The video guides you through product setup.The video compares multiple products.The video shows the product being unpacked. smart door knob 291Y Merchant Video
How to solve the problem of failed voice prompt verification in the fingerprint module?
When entering fingerprints, first make sure your finger is dry. During the entry process, please rotate your finger multiple times as prompted to ensure successful entry at every Angle.
How to solve the problem of failed voice prompt verification in the fingerprint module?
Make sure the surface of the fingerprint part is clean, free of water stains and dust. And carry out regular cleaning to ensure the normal use of fingerprint recognition.
What should be done if the product stops working after a period of operation?
Make sure that four brand-new alkaline batteries are used during the product installation process. Inferior batteries will cause insufficient power supply and stop working.
What should be done if the product stops working after a period of operation?
Please install the door lock in an indoor environment and do not support outdoor use. Damp, dusty and other environments will affect the product’s lifespan.
Biometric Door Knob: Utilizing advanced biometric technology, this door knob offers personalized and secure access through fingerprint recognition, fingerprint door knob quick identification and unlocking with your unique fingerprint pattern, eliminating the need to carry keys
Biometric Door Knob: Utilizing advanced biometric technology, this door knob offers personalized and secure access through fingerprint recognition, fingerprint door knob quick identification and unlocking with your unique fingerprint pattern, eliminating the need to carry keys
Electronic Door Knob with Keypad: Combining traditional keypad with modern electronic technology, remote control of the door lock through a smart app, allowing easy management from anywhere with (gateway sold separately)
Metal Material: Made of high-strength metal, resistant to wear and tampering, providing a higher level of security. Designed with user-friendliness in mind, the installation process is straightforward, allowing for 15 min quick self-installation
Smart Living: The Smart door knob adds intelligence to everyday life, increasing the fun and enhancing the quality of life. Specifically designed for bedrooms, apartments , office , offering a quiet and secure locking mechanism to protect privacy
For a better experience of the product, please ensure that it uses brand new 4 alkaline batteries. When entering fingerprints, please rotate your fingers to ensure all fingerprints are entered. At the same time, regularly clean and maintain the door lock.
Customers say
Customers find the door knob easy to install with clear programming instructions and appreciate its excellent quality. The functionality receives mixed feedback – while some say it works great, others report it doesn’t work consistently. Moreover, the lock functionality and ease of use are also mixed aspects, with some customers reporting it won’t lock and others finding it easy to use. The fingerprint scanning capability and value for money get mixed reviews, and customers express concerns about the battery placement, noting it’s in the worst possible location.
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