FIRST ALERT SC7010BA 120VAC Photoelectric Smoke & Carbon Monoxide Combination Alarm with 3V (Two 1.5V AA) Battery Backup

This Smoke &Carbon Monoxide Alarm from BRK is the most accurate technology available for detecting carbon monoxide as compared to other sensing technologies. It features photoelectric technology that is generally more sensistive at detecting large particles, which tend to be produced in greater amounts by smoldering fires. This arlam drastically reduces the most common cuases of nuisance alarms when placed near kitchens and bathrooms. it has two latching features: the alarm latch that easily identifies initiating alarm even after alarm condition has subsided. An the low battery latch that identifies which unit is in low battery condition. This Smoke Carbon Monoxide Alarm comes with a 7 year limited warranty. cETL Listed.