HARFO Smart Fingerprint Door Lock: Advanced App Control
And the ways to unlock it? There's a method for everyone: swipe your finger, tap a card, punch in a code, or go old-school with a key. Because sometimes, technology fails, and you just need a backup plan.
Here's the lowdown on what makes it tick:
- It locks itself—because we all forget sometimes—and you can decide how long it waits before doing its thing.
- Fits right into most American doors, no PhD in engineering required to install it.
- Chats nicely with Alexa and Google Assistant, though you'll need to grab a gateway separately to make that magic happen.
- Room for 50 fingerprints (because who doesn't have that many friends?), 250 passcodes, and a whopping 1000 IC cards. Party at your place?
No wires, no fuss—just a smarter way to secure your space. It's the upgrade your home didn't know it needed.
General specs
- Brand: HARFO
- Seller: Amazon
- Installation Type: Left and right-handed doors
- Door Thickness Range: 1 3/8 inch to 2 3/16 inch (35mm-55mm)
- Access Methods: Fingerprint, IC Cards, Passcode, Physical Keys, App Control
- User Capacity: 50 fingerprints, 250 passcodes, 1000 IC cards (3 included)
If you are interested in more details, you can find full information on the seller's page.
Buy on Amazon
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$79.99
Last price update: 6/27/25
Available to order
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Delivery to 
United States
United States
Available
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| Brand | HARFO | Amazing-duoqiao | Viladepot | Crown Global | TrendVibeCN | Decor Dream |
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| Price | $79.99 | $132.02 | $47.87 | $118.88 | $49.59 | $63.21 |
| Seller | Amazon | Joom | Joom | Joom | Joom | Joom |
| Update | June 27, 2025 | June 19, 2025 | June 20, 2025 | June 2, 2025 | June 21, 2025 | June 10, 2025 |
Smart Fingerprint Door Lock
$79.99
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