Enhance your home security and convenience with the Smart Fingerprint Door Knob in a modern silver finish. This sleek, keyless smart lock is designed for residential interior doors, offering biometric precision, app-based control, and mechanical key access—all in one elegant and easy-to-install solution. Whether you’re upgrading for ease, safety, or smarter living, this doorknob delivers seamless access management for families, roommates, and remote guests.
Key Features
3-in-1 Unlocking Options
Fingerprint Recognition –
Unlock in just
0.5 seconds
with fast and secure biometric access.
Bluetooth App Control –
Manage access via the
TUYA Smart App
—no need for Wi-Fi.
Emergency Mechanical Key –
Included key override for power or tech failure.
USB Type-C Rechargeable Battery
Rechargeable—
no disposable batteries
needed
Type-C charging port
for fast, universal power
Emergency key ensures access even if power runs out
Smart App Integration (TUYA Smart App)
Add or delete up to
20 fingerprints
View
access logs
and
battery status
Configure
auto-lock
,
passage mode
, and
privacy mode
Note: Remote unlocking requires an optional Wi-Fi gateway (sold separately)
Security & Functionality
Auto-locks
within 5 seconds of fingerprint access
Manual thumb turn
to switch between Normal, Passage, or Privacy modes
All biometric and app data stored
locally
—never in the cloud
Easy DIY Installation
Tool-free setup with just a
standard screwdriver
Fits
most U.S. standard interior doors
Door thickness compatibility:
35–55mm
Adjustable latch fits
60–70mm backset
What’s in the Box
1 × Smart Fingerprint Door Knob (Silver Finish)
2 × Emergency Backup Keys
1 × USB Type-C Charging Cable
1 × Installation Kit & Screws
1 × User Manual
1 × Quick Start Guide
Compatibility
Perfect for:
Bedrooms
Home offices
Rental or Airbnb spaces
Apartments and interior residential doors
Note: This model is not recommended for exterior entry doors.
Important Notes
Full app functionality and remote access require a
TUYA-compatible Wi-Fi gateway
(sold separately)
All fingerprint and access data is stored
locally
on the device for enhanced privacy