This smart door lock is for the busy homeowner who wants to ditch their keys. It’s perfect for families juggling schedules, letting you grant access to a babysitter or check if the kids made it home from school.

While it’s a solid home security upgrade, its real value is in simplifying daily life. The fingerprint sensor unlocks in under a second, so you can enter hands-free with groceries. The app sends instant alerts when someone uses the door, so you know your teen arrived safely before they even text.

Install it yourself on most standard U.S. doors without drilling. With up to six months of battery life and emergency USB charging, you’ll never get locked out. Manage access remotely, share permissions via the Tuya app, and review the access log to track comings and goings.

WAFU WF F4 Black 4 ways to unlock including fingerprint and app

€37.51

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Compare retrofit locks, replacement deadbolts, and handle-style options before changing hardware, keyways, or keypad access on an existing door.

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WAFU WF F4 Black Aluminum Alloy WF F4 Smart Door Lock

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WAFU WF F4 Black 4 ways to unlock including fingerprint and app

When this device makes sense

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