First Alert 9120B Smoke Detector & Alarm, AC Powered With Battery Backup. New

Keep your home safe with the First Alert 9120B Smoke Detector & Alarm. This reliable device is designed to provide you with peace of mind, featuring an AC-powered operation with battery backup to ensure constant protection, even during power outages. The smoke alarm comes from a trusted brand known for its quality and durability. With its easy-to-use design and audible alerts, the First Alert 9120B model is an essential addition to any home security plan, ensuring early detection and warning in case of any emergencies.