Smart lock fit
Compare retrofit locks, replacement deadbolts, and handle-style options before changing hardware, keyways, or keypad access on an existing door.
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Stop worrying about lost keys or being locked out, whether you're managing an Airbnb rental or locking your bedroom door. This 4-in-1 smart fingerprint door lock gives you keyless entry options that work for everyone—from kids to grandparents.
The AI self-learning fingerprint sensor gets better over time. It adapts to dry, wet, or aging fingerprints, so you won't get stuck outside because your finger is just slightly different today. Unlock in 0.2 seconds, or use the keypad, app, or backup key. You can even create temporary codes for guests or service providers. The app lets you manage access and see who came and went, all within Bluetooth range.
Installation takes about 15 minutes on standard interior doors. The lock automatically detects left or right swing, so there's no guesswork. Plus, it auto-locks after you close the door, which you can set from 0 to 10 seconds. No more running back to check if you locked up. For quiet late-night returns, silent mode keeps the beeps to a minimum. With long battery life and emergency USB power, you won't get locked out.
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