XCOUI SF047 Smart Fingerprint Door Knob: 5 ways to unlock
The high-sensitivity chip is quicker than your morning coffee ritual, recognizing you in a flash. Plus, it’s got this nifty auto-lock feature—because remembering to lock the door is so last century. Installation? A breeze. Fits standard US doors without any fuss or fancy tools. Hosting a party? Switch to passage mode and let the good times roll without fumbling for keys. And if the battery’s dead (we’ve all been there), a quick charge via Type-C saves the day. Backed by a 12-month exchange and lifetime support, it’s not just smart; it’s got your back.
General specs
- Brand: XCOUI
- Model: SF047
- Seller: Amazon
- special_feature: Auto-Lock
- lock_type: Biometric
- material: Zinc alloy
- recommended_uses_for_product: Residential interior doors
- controller_type: Hand Control, Mechanical knob, Android
- control_method: Touch
- connectivity_protocol: Bluetooth
- batteries_required: No
If you are interested in more details, you can find full information on the seller's page.
Buy on Amazon
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$52.99
Last price update: 5/29/25
Available to order
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Delivery to 
United States
United States
Available
Comparison with similar products
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XCOUI SF047 5 ways to unlock
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| Brand | XCOUI | TOMTOP JMS | Pro DIY Tool | Jsite | Springs And Autumns | Good Household Items |
| Model | SF047 | |||||
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| Price | $52.99 | $81.90 | $112.93 | $17.29 | $27.33 | $232.37 |
| Seller | Amazon | Joom | Joom | Joom | Joom | Joom |
| Update | May 29, 2025 | June 8, 2025 | June 4, 2025 | June 8, 2025 | June 4, 2025 | June 4, 2025 |
Smart Fingerprint Door Knob
$52.99
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Lucía Becker
June 4, 2025