Finger-Scan Entry Locks

No more fumbling for the keys!

Biometric keyless locks let you unlock or lock your entry door with just a quick scan of your fingerprint— the perfect solution for anyone who loses keys or has kids.

By the DIY experts of The Family Handyman Magazine

Where to find keyless finger-scan locks

Several companies offer biometric keyless locks for entry doors, mostly in the $200 range (as of 2008). One company is Kwikset. Its SmartScan locks are available at home centers and hardware stores (find retailers and more info at When you swipe your finger across a sensor, it reads your fingerprint and activates the battery-powered dead bolt. You don't need a key or a key code. Installation doesn't require hardwiring, and the batteries last about one year.

Other companies also sell keyless fingerprint locks. Search online for “fingerprint door locks.”

Required Tools for this Project

Have the necessary tools for this DIY project lined up before you start—you’ll save time and frustration.

  • Cordless drill
  • 4-in-1 screwdriver

Required Materials for this Project

Avoid last-minute shopping trips by having all your materials ready ahead of time. Here's a list.

  • Biometric lock

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