10 Year Sealed Combination Smoke, CO & Gas Alarms by USI

Universal Security Instruments MIC1509S Hardwired 3-in-1 Smoke, Fire and Carbon Monoxide Smart Alarm with 10 Year Sealed Battery

Combo Smoke & Gas Alarms

Universal Security Instruments MIC1509S Hardwired 3-in-1 Smoke, Fire and Carbon Monoxide Smart Alarm with 10 Year Sealed Battery

Sensing Plus AMICH3511SC Multi Criteria Hallway Combo Smoke, Fire & Carbon Monoxide Alarm With 10 Year Battery

Sensing Plus Alarms

Sensing Plus AMICH3511SC Multi Criteria Hallway Combo Smoke, Fire & Carbon Monoxide Alarm With 10 Year Battery

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

Combo Smoke & Gas Alarms

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

Universal Security Instruments MPC322S 2-in-1 Photoelectric Smoke & Carbon Monoxide Alarm

Combo Smoke & Gas Alarms

Universal Security Instruments MPC322S 2-in-1 Photoelectric Smoke & Carbon Monoxide Alarm

Universal Security Instruments MICH3510S 3-in-1 Hallway Smoke, Fire and Carbon Monoxide Smart Alarm with 10 Year Sealed Battery

Combo Smoke & Gas Alarms

Universal Security Instruments MICH3510S 3-in-1 Hallway Smoke, Fire and Carbon Monoxide Smart Alarm with 10 Year Sealed Battery

Sensing Plus AMIC3511SB Multi Criteria Combo Smoke, Fire & Carbon Monoxide Alarm With 10 Year Battery

Sensing Plus Alarms

Sensing Plus AMIC3511SB Multi Criteria Combo Smoke, Fire & Carbon Monoxide Alarm With 10 Year Battery

USI (Universal Security Instruments, Inc.) makes the most innovative home protection solutions available today. Since our founding in 1969, we’ve become one of the largest manufacturers of smoke and carbon monoxide alarms in the world. We hold 11 patents on detection technologies, based on our proprietary research...

(410) 363-3000
11407-A Cronhill Drive
Owings Mills, MD. 21117
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