Fire Safety

The USI collection of smoke, carbon monoxide, and combination alarms delivers advanced protection with effortless monitoring for every home. Designed with cutting-edge Sensing Plus® Multi-Criteria Detection, these alarms differentiate between smoke and fire with greater accuracy while reducing nuisance alarms from everyday activities. With options for 2-in-1 and 3-in-1 protection, voice alerts, long-life batteries, and interconnected capabilities, USI alarms provide smart, reliable coverage throughout your space. Easy installation, tamper-proof designs, and intuitive features like Quick-Find Alarm Origination and End-of-Life alerts ensure lasting safety with minimal maintenance. Whether battery-operated or hardwired, each alarm is built to meet the highest safety standards—backed by a 10-year warranty and over 50 years of trusted protection.