The Universal Security Instruments Sensing Plus Combo Smoke, Fire, and Carbon Monoxide Alarm delivers comprehensive protection by integrating multi-criteria detection technology that combines photoelectric and ionization sensors. This advanced system effectively detects both fast-flaming and slow-smoldering fires as well as life-threatening carbon monoxide gas. Designed for residential use in houses, apartments, and mobile homes, the alarm features a sealed 10-year lithium-free alkaline battery that eliminates the need for replacements, reducing maintenance and preventing low battery alerts. Its microprocessor intelligence minimizes false alarms caused by cooking or power surges, enhancing reliability. The device includes a convenient test/silence button for easy operation and an end-of-life warning to ensure timely replacement. Installation is straightforward with a quick-activation pull tab and a large mounting base that covers wall imperfections. This alarm meets UL 217 and UL 2034 standards, is approved by the California State Fire Marshal and FHA, and resists false alarms from polyurethane foam fires. With an 85 dB alarm sound level and tamper-proof design, it ensures safety and peace of mind for your home environment.

Protect your home with the reliable Universal Security Instruments Sensing Plus Combo Alarm—order now for long-lasting safety.

Product Dimensions:

5.98 x 2.01 x 5.98 in

0.40 lbs

Shipping Dimensions:

5.87 x 5.67 x 1.93 in