Photoelectric Smoke & Fire Alarm, Battery Operated Brand_Osmocote High Security

High Security

3/4" Hose Thread Outlet

Inner dimensions: 3-7/8 x 7-11/16 inch

shutter door provides enhanced weather resistance

4" x 2-3/8"

Photoelectric Smoke & Fire Alarm, Battery Operated Brand_Osmocote High SecurityFirst 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