XCOUI SF047 Smart Fingerprint Door Knob: 5 ways to unlock
Ever locked yourself out? Not with the Smart Fingerprint Door Knob from XCOUI. This little marvel doesn’t just open doors—it opens them in five different ways: swipe your finger, tap in a code, wave an IC card, use the app (because why not?), or good old-fashioned keys for those ‘just in case’ moments. And with room for 100 fingerprints and passwords (even temporary ones for your forgetful friends), it’s like having a bouncer who never sleeps.
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.
Features
- Fast & accurate identification
- Dual protection mechanism
- Passage mode
- Emergency charging
- Easy installation steps
- Fits standard doors
- Good service
- 5 ways to unlock
General specs
- Brand: XCOUI
- Model: SF047
- Seller: Amazon
- ID: B0D4Z5HP97
- 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
- First listed by seller: 5/29/25
If you are interested in more details, you can find full information on the seller's page.
Buy on Amazon
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Price History for seller Amazon
Shipping options
Russia
Comparison with similar products
| This item | Recommendations | |||||
|---|---|---|---|---|---|---|
XCOUI SF047 5 ways to unlock
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Smart Lock with Fingerprint Fingerprint recognition
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Smart Fingerprint Lock Fingerprint unlock
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5-Way Electronic Digital Smart Door Lock Golden Fingerprint recognition
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Automatic Electronic Fingerprint Lock Fingerprint unlock
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IBLOG QEK-S03 Biometric fingerprint unlock
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| Brand | XCOUI | Vestidos | Optimized General | Pro DIY Tool | Vestidos | IBLOG |
| Model | SF047 | QEK-S03 | ||||
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| Price | $39.99 | $127.76 | $94.45 | $146.13 | $173.34 | $43.59 |
| Seller | Amazon | Joom | Joom | Joom | Joom | Amazon |
| Update | December 6, 2025 | December 6, 2025 | December 6, 2025 | November 30, 2025 | December 3, 2025 | December 6, 2025 |
Smart Fingerprint Door Knob
Reviews
Lucía Becker
June 4, 2025