Kadonio 408 Smart Door Lock with Fingerprint, APP Control, and Key: 3-IN-1 Fingerprint door lock: Fingerprint +APP Control+ Physical Key
Say goodbye to fumbling for keys—Kadonio Smart Door Lock is here to make your life easier. With a 99% fingerprint recognition rate, it’s like magic: just a touch and you’re in, all in under a second. And hey, it remembers up to 30 fingerprints, so the whole family (or your entire entourage) can come and go without a hitch.
Worried about installation? Don’t be. This bad boy fits most US standard doors like a glove—backsets of 2-3/8″ or 2-1/8″, door thickness from 1-3/8'' to 2-1/8''. No wires, no drills, and it doesn’t care if your door swings left or right. It’s the Swiss Army knife of door locks.
Control freak? You’ll love the Smart APP Control. Hand out temporary passwords like candy, lock or unlock your door from your couch, and never worry about lost keys again. Whether it’s your home, a hotel, or even your secret lair, this lock’s got you covered.
Battery dying? The lock’ll warn you (how thoughtful). And if you’re really in a pinch, there’s a USB port for emergency charging. Just pop in 4 AAA batteries (not included, because let’s be honest, who reads the fine print?), and you’re golden.
And because we’re not monsters, there’s a 30-day money-back guarantee, a 12-month warranty, and tech support for life. Sleep tight knowing we’ve got your back.
Features
- Easy Installation: Fits US standard door, no wiring and no drilling
- Smart APP Control: Unlock via mobile phone or set temporary passwords
- USB emergency charging: Low battery alarm and emergency charging port
- After-sales support: 30-day money-back guarantee, 12-month warranty
- 3-IN-1 Fingerprint door lock: Fingerprint +APP Control+ Physical Key
General specs
- Brand: Kadonio
- Model: 408
- Seller: Amazon
- ID: B0DBH8LVWT
- Lock Type: Biometric
- Material: Aluminum
- Recommended Uses: Home, Office, Hotel, School, Garage
- style: Modern
- Included Components: USB charging cable
- Control Method: App
- Batteries Included: No
- Batteries Required: No
- Country of Origin: China
- First listed by seller: 4/4/25
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
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| Brand | Kadonio | LOCKSTAR | biquole | Saulex | Mutak | HARFO |
| Model | 408 | LS-SDL | QEK-S03 | DB02 | HS0038 | |
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| Price | $32.19 | $139.97 | $50.99 | $65.00 | $41.99 | $69.99 |
| Seller | Amazon | Amazon | Amazon | Amazon | Amazon | Amazon |
| Update | Nov 20, 2025 | Dec 6, 2025 | Dec 6, 2025 | Dec 6, 2025 | Dec 6, 2025 | Dec 6, 2025 |
| Lock Type | Biometric | Keypad | Deadbolt, Mortise Lock, Combination Lock, Keypad | Deadbolt | Biometric, Passcode, Key, Fob, APP | |
| Material | Aluminum | Zinc | Zinc | Aluminum, Acrylonitrile Butadiene Styrene | ||
| Batteries Required | No | Yes | No | |||
| Special Feature | Auto Lock | Alarm, Anti-Corrosion, Anti-Drill, Anti-Peeping Password, Auto-Lock, Back-Lit Keypad, Fingerprint, Fob Unlock, Heat Resistant, One-Touch Lock, Passcode Unlock, Rechargeable, Resettable, Shackleless, Touchscreen, Weather Resistant | Fingerprint, Passcode Unlock, Built in wifi, Auto-Lock | Fingerprint, Fob Unlock, Passcode Unlock, Key, APP | ||
Kadonio 408
Reviews
Diogo Mitchell
April 4, 2025