A fingerprint lock that mounts on the inside of a drawer or cabinet door. Nothing shows on the outside, so the furniture looks untouched and there is no keyhole advertising that something inside is worth locking.

What people actually use it for

Keeping medication out of a child's reach. Securing documents, spare keys, cash, or a firearm in a nightstand or desk. Any drawer where the contents matter more than the drawer does.

No monthly fees

Nothing to subscribe to, nothing to renew, no app tier. It opens on your fingerprint and that is the whole arrangement.

Key features

• Fingerprint entry, stores multiple prints
• Mounts hidden on the inside, with no visible hardware or keyhole
• Rechargeable battery with low-power warning
• Fits most wooden drawers and cabinet doors

Before you order

Measure the inside clearance of your drawer or cabinet first, and check the door or drawer front is thick enough to take the mounting. This suits wooden furniture. It is not designed for metal filing cabinets or glass-fronted units.

An honest word on what this is

This is a deterrent and a child-safety device, not a safe. It stops casual access and keeps contents away from children. It will not resist someone determined to force the drawer open, and it offers no fire protection. If you are storing something that genuinely needs to resist attack, buy a safe instead.

Good to know

Charge it fully before installing and keep it charged, because the lock sits inside the drawer and a flat battery is inconvenient. Read the manufacturer's emergency access instructions before you install it, not after.