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

The Universal Security Instruments Hardwired MIC1509S 3-in-1 Smoke, Fire and Carbon Monoxide Smart Alarm provides 10 years of continuous protection against three deadly threats within the home. New patented Universal Smoke Sensing Technology offers the benefits of both photoelectric and ionization alarms in one device to protect against fast flaming and slow smoldering fires. This alarm also features protection against the silent killer - carbon monoxide - making it a 3-in-1 device. The ideal addition for new or replacement installations, this maintenance-free alarm is suitable for houses, apartments and mobile homes in every room. This USI Combination Alarm utilizes a sealed back-up battery (included) that will never have to be replaced throughout the life of the alarm, giving you a decade's worth in peace of mind even in the event of a power outage. This alarm also features microprocessor intelligence to completely eliminate nuisance alarms, a single silence/test button to quiet a n