Trusted Security, Reimagined for Modern Living 

USI brings 50 years of reliable safety to your front door. Unlock with a tap using Apple Home Key, your fingerprint, or the app. No keys, no worries—just confident access for your modern life.

Remote Access

Control That Extends Beyond Your Doorstep

With app connectivity and optional voice assistant integration, you can check lock status, receive alerts, and manage access from anywhere. Set auto-lock timers for peace of mind, create unique access codes for family or guests, and stay informed with real-time notifications—all from the palm of your hand.

Smartphone with a notification center on a gray background

Real-Time Activity Logs

The "Who's Here Now" Tracker

Get instant alerts every time the door locks or unlocks so you know who's coming and going. Review the activity log to confirm family arrives safely, plus verify guests, cleaners, deliveries, or dog walkers showed up on time.

Auto-Lock

Never Wonder "Did I Lock It?"

Rushing out? The auto-lock feature secures your door instantly behind you. Check your lock status from anywhere via the app.

Keyless Entry

The "Mom, I Forgot My Key" Solution

Stop hiding keys under the mat. Let the kids in remotely or kids can enter easily with their fingerprint or a simple code.

Voice Control

The "I'm Already on the Couch" Solution

Not sure if you locked the front door? Don't get up to check. Just ask your voice assistant to secure it for you. Pair with Google Assistant or Amazon Alexa for effortless, hands-free peace of mind from anywhere in the house.

Enjoy effortless control with various ways to lock and unlock your home.

Fingerprint

Fingerprint

Fast, biometric access

Palm Scan

Palm Scan

Contactless, secure reading

Tap

Tap

Unlock via iPhone or Apple watch

Keypad

Keypad

Traditional code entry

Physical Key

Physical Key

Backup access anytime

App

App

Control from anywhere

Row 1 media
Row 2 media
Row 3 media
Row 4 media
Row 5 media
Row 6 media

Built to Protect. Designed to Perform. 

Every USI smart lock is engineered for reliability—tested for extreme temperatures, reinforced with industry-leading weather protection, and constructed to meet ANSI security standards. From heavy rain to freezing cold, these locks are built to perform where it matters most: at your front door.

How Smart Locks Fit Your Everyday Life

  • Family and Friends

    Give family and trusted friends their own unique access codes for reliable, everyday access to your home.

  • Modern house exterior with a dark gray door, light fixture, and potted plant.

    One-Time Visitors

    No key exchange needed. Use one-time codes for maintenance workers or short-term rental guests, and track arrivals and departures in the app.

  • Front door with a blue color, a woven basket with greenery, and a jute mat on a wooden floor.

    Recurring Visitors

    Set a schedule for trusted visitors like pet sitters and house cleaners, allowing entry at the same time each day or week.

1 3

Experience USI App

Transform your phone into your home's command center. Monitor your lock status from anywhere and manage access for friends and family with a single tap.
1 3

Explore More USI

Complete Your Home Safety Ecosystem

Explore our complete product catalog to view all current smoke, carbon monoxide, and combo alarms with updated packaging and configurations.

View All