Ionization Sensor Smoke Alarm

The First Alert Ionization Smoke Alarm provides reliable, advanced sensing technology for early warning while minimizing nuisance alarms from cooking. This battery-powered unit features a 10-year factory-locked battery backup, ensuring a decade of continuous protection without the need for battery changes, even during power outages. Designed for seamless safety, it interconnects with up to 18 other compatible First Alert alarms—when one sounds, they all sound. Additional features include a latching alarm indicator to visually identify the source unit, a convenient one-touch test/silence button, and a dust cover for protection during construction. This alarm complies with the UL 217 8th Edition standard.