Smart Fingerprint Door Knob with App Control

Smarter Access for Interior Spaces

Upgrade an interior door with a compact smart knob that gives you multiple ways to unlock. Use a fingerprint, touchscreen passcode, the Tuya app through Bluetooth, or a mechanical key when needed.

Key Benefits

• Four convenient access methods: fingerprint, passcode, app, or mechanical key

• Bluetooth connection supports control through the Tuya app

• Silent mode helps reduce audible lock feedback when preferred

• Ball-shaped knob design suits a range of interior spaces

• Fits doors measuring 35–50 mm thick

Features

• Electronic touchscreen keypad with fingerprint reader

• Lacquered aluminum-alloy construction

• Designed for interior-door installation

• Mechanical keys included

• Powered by four #7 batteries

• Model D2

Specifications

• Lock type: Electronic knob lock

• App: Tuya

• Connection: Bluetooth

• Material: Aluminum alloy

• Surface finish: Lacquered

• Compatible door thickness: 35–50 mm

• Power requirement: Four #7 batteries

• Certification: FCC

• Color shown: Black

Why Buy From SuperFamily USA

SuperFamily USA selects practical products designed to make everyday spaces more convenient, organized, and comfortable. We present clear product details so you can choose with confidence.

Bring flexible, keyless access to an interior room with this smart fingerprint door knob.