Kidde Safety 21007915 Dual Sensor Photoelectric Smoke Alarm With Battery Backup, White Spray Gun Accessories Helps prevent dust

Helps prevent dust

Round construction and elevated bottom encourage circulation of air around can to disperse heat and reduce moisture build-up and rusting

3" W X 5" L

Expands approximately 60-percent during cure

Spiral plate for more grip

Kidde Safety 21007915 Dual Sensor Photoelectric Smoke Alarm With Battery Backup, White Spray Gun Accessories Helps prevent dustHighlights: Color : White Dual sensor contains both a photoelectric & ionization sensor providing dual sensor protection in your home Hush feature temporarily silences nuisance alarms Battery backup provides protection even during a power outage Red LED flashes every 30 40 seconds to indicate that the smoke alarm is operating properly Test Reset button tests units electronic circuitry & horn Box Pack