Voice Alarm - Carbon & Smoke Harwired

This hardwired voice alarm for smoke and carbon monoxide, interconnectable with a backup AA battery, protects your family against the dangers of fire and deadly CO in a single device. Equipped with self-test components, it continuously checks its proper operation. Its included mounting bracket makes installation easy. Connect it to other Kidde alarms for unified alerts throughout the house. Authorities recommend using both ionization and photoelectric smoke detectors for optimal detection of all types of fires.