Photoelectric Smoke & Fire Alarm, Battery Operated Brand_Osmocote LED bulbs and CSA certified

LED bulbs and CSA certified for quality assurance

3/4" Hose Thread Outlet

25/64" diameter

4" x 2-3/8"

Niacin Supplement

Photoelectric Smoke & Fire Alarm, Battery Operated Brand_Osmocote LED bulbs and CSA certifiedFirst Alert, 9V, Photoelectric Smoke & Fire Alarm Detector, Provides Maximum Protection, Slim Design, Less Than An Inch Thick, Maximum Protection Alarm Has A Patented Smoke Entry System That Allows A Direct Smoke Path To The Photoelectric Sensor To Detect Regular & Slow, Smoldering Fires, Nuisance Free Technology Will Reduce False Alarms That Result From Cooking & Shower Steam, Includes Power LED & Alarm Indicator, End Of Life Signal & Mute & Single