Smoke & Fire Alarms by USI - Photoelectric, Ionization, USST Detectors

Replacing USI-1204 Hardwired Smoke Alarm With Compatible Models

Universal Security Instruments SS-901-2C/3CC Battery-Operated Photoelectric Smoke and Fire Alarm 2-Pack

Smoke Alarms & Accessories

USI 3-in-1 Smoke, Fire & Carbon Monoxide Smart Alarm with 10 Year Sealed Battery (MIC3510SB)

Universal Security Instruments Hardwired Combination Smoke and Carbon Monoxide Detector in the Combination Smoke & Carbon Monoxide Detectors department at

USI Hardwired Ionization Smoke and Fire Detector with Battery Backup - 5304

USI MIC3510SB 3-in-1 Smoke, Fire and Carbon Monoxide Smart Alarm with 10 Year Sealed Battery

USI 10 Year Sealed 2-in-1 Bedroom Smoke and Fire Alarm White, Switches & Outlets, Switches & Outlets, Electrical, Tools & Hardware, All Brands

Universal Security Instruments Hardwired Ionization Smoke and Fire Alarm with Battery Backup, Model MI106 - Smoke Detectors

USI-5204 and USI-2795 - Wired-In 120 Volt Ionization Smoke Alarms

Kidde 10 Year Worry-Free Sealed Battery Smoke Detector with Photoelectric Sensor and Safety Light 21029619 - The Home Depot

Kidde Firex Battery Operated Smoke Detector with Ionization and Photoelectric Dual Sensors 21007385-N - The Home Depot

Smoke Detector