Watch the full review
Most smart locks mean replacing the whole thing — new hardware inside and out, a new keyhole, and a carpenter. The Lockly Flex Touch Deadbolt is a retrofit: it fits onto the deadbolt you already have. The fingerprint reader mounts over your existing cylinder on the outside, the battery module sits on the inside, and your original key still turns the same lock.
Your thumb, in under a second
The fingerprint sensor reads and unlocks in less than a second, and stores prints for everyone in the house. Hands full of shopping, a child who keeps losing keys, a late arrival in the dark — all of it stops being a problem.
Control it from the phone, near or far
Bluetooth handles the door when you are at it; add Lockly’s Wi-Fi Hub and you can lock, unlock and check the door’s state from anywhere. Useful for letting someone in while you are out, and for settling the “did I lock it?” question from bed.
It installs with a screwdriver
Because it retrofits to an existing deadbolt, there is no drilling and no new hole in the door — which also makes it the rare smart lock a tenant can fit and take with them. It works with most standard deadbolts.
Long battery life, with warning
It runs a long time between charges and warns you well before the battery is low. Your mechanical key remains a working backup at all times.
- Retrofit design — fits onto your existing deadbolt
- Keeps your original cylinder and key; the reader fits over it
- Sub-second fingerprint unlocking, multiple users
- App control over Bluetooth, or remotely with the Wi-Fi Hub
- Installs with a screwdriver — no drilling
- Fits most standard deadbolts
- Long battery life with low-battery alerts
This is the exact lock filmed for the review above, inspected before listing — which is why it is half the price of a new one. Fit it this weekend and stop carrying a key you only use on one door.
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