669FK Fingerprint Keyless Entry Door Knob 

Unlock in a Touch

Get in fast with 0.3-second fingerprint recognition. Store up to 50 fingerprints for family and guests, making everyday entry quick and effortless. Just place your finger flat on the sensor and go.

One Lock, Multiple Ways In

From fingerprint access to keypad codes and one-time guest codes, you have the flexibility to unlock your way. Perfect for everyday family use, guests, deliveries, and rental properties.

Smart Locking, Your Way

Choose how your door locks. Set a 2–99S auto-lock timer, lock instantly with one touch, or use Passage Mode when you need easy access throughout the day. Perfect for everyday convenience, deliveries, and gatherings.

Hide Your Code from Prying Eyes

Enter random numbers before or after your 4-digit code to help keep your password private. A simple way to prevent others from guessing your code in busy homes, offices, or shared spaces.

Easy Access, Even at Night

The backlit keypad keeps your code visible in low light, while Silent Mode lets you unlock without the usual keypad sounds. Perfect for nighttime entry and shared homes.

Fits Standard Doors

Designed to fit most standard U.S. doors with a 2-1/8" bore hole, 2-3/8" or 2-3/4" backset, and 1-3/8"–2" door thickness. Easy to install with no complicated setup. Note: Not compatible with 1-1/2" bore holes.

Durable & Long-Lasting

Built with heavy-duty zinc alloy and tested through 250,000+ cycles for reliable everyday performance. Get up to 13+ months of battery life with 4 AA batteries, plus convenient low-battery alerts. Batteries not included.