Shenzhen Wenhui Technology Development Co., Ltd.
                                                                                                           
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Tuya Smart Biometric Door Lock WiFi Semiconductor Fingerprint Sensor Retrofit Knob Replacement

Price Negotiable
Price: USD+15-18+piece
MOQ: 500
Delivery Time: 5-10days
Brand: SIXWGH
Product Description
Biometric Tuya Smart Door Handle Lock with WiFi App Control and Semiconductor Fingerprint Sensor for Retrofit Knob Replacement
Core Specifications
Install Type Replaces Ball/Knob Lock (Directly)
Unlock Modes Fingerprint / Code / App / Key
Connectivity WiFi + Bluetooth (Tuya)
Passage Mode "Always Open" Setting (For Office)
Fingerprint Semiconductor (<0.3s)
Emergency USB Power Port + Mechanical Key
Door Thickness 35-55mm
Latch Type Single Latch (60/70mm adjustable)
Product Description
The perfect retrofit solution for interior doors. Designed to replace standard mechanical ball knobs without drilling new holes, this Smart Handle Lock saves installation time and labor costs. It features a specific "Passage Mode" (Normally Open), making it ideal for offices or meeting rooms during working hours. Managed via the Tuya App, it allows administrators to manage members and view unlock records remotely.
Tuya Smart Lock front view showing fingerprint sensor and handle design Tuya Smart Lock side profile and installation view Tuya Smart Lock keypad and app control interface Tuya Smart Lock installation diagram and dimensions
Frequently Asked Questions
Can this replace old round knob locks?
Yes, it is designed for standard single-latch holes. You can directly swap out old ball locks using just a screwdriver, with no extra drilling required.
What is "Passage Mode"?
You can set the lock to stay unlocked (Always Open) during specific times, convenient for offices or shops with high traffic.
Does it support remote temporary passwords?
Yes, via the Tuya App, you can generate temporary codes for visitors or cleaning staff, which expire automatically after use.
How many fingerprints can it store?
It stores up to 50 fingerprints, utilizing a high-precision semiconductor sensor for fast (<0.3s) and secure access.
Is it suitable for outdoor gates?
No, this is designed for indoor use (bedrooms, offices, apartments) and is not fully waterproof for direct rain exposure.

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Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Shenzhen Wenhui Technology Development Co., Ltd.
Location 402, Building A5, Meiying Zhihui Innovation Park, No. 3, Fenghuang Xingye 3rd Road, Fuyong Street, Bao'an District, Shenzhen, Guangdong, China
Contact Person EIvin

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