BioLock™ SmartKnob
BioLock™ SmartKnob
Trusted by 8,450+ Worldwide!
Frequently Asked Questions
What comes in the box?
What comes in the box?
Each SmartKnob™ includes the fingerprint lock, 2 backup keys, mounting hardware, a user manual, and an installation guide.
Will it fit my door?
Will it fit my door?
SmartKnob™ fits most standard residential doors with a thickness of 35–55mm and a standard backset of 60mm or 70mm.
How will I know when the battery is low?
How will I know when the battery is low?
SmartKnob™ flashes a red LED indicator and gives a subtle beep during unlocking to alert you when the batteries are running low — giving you plenty of time to replace them.
Can I remove or change fingerprints later?
Can I remove or change fingerprints later?
Yes! You can easily delete or update fingerprints using the internal programming button — no app required.
What happens if I’m away and someone needs to get in?
What happens if I’m away and someone needs to get in?
You can register their fingerprint in advance — or leave them a backup key. There’s no remote access, so security stays in your hands.
Join Thousands of Happy Customers!
The Biolock™ SmartKnob is the go-to solution for everyday homeowners who want to secure their front door in seconds — without expensive locksmiths or complicated setups.
Whether you're at home, at work, or away on vacation, BioLock™ delivers simple, reliable security you can trust.