Description
System Sensor 4W-B 4-Wire Photoelectric i3 Smoke Detector With Base, Power Source 12/24 VDC Product Dimensions 5 x 5 x 2 inches
System Sensor 4W-B 4-Wire Photoelectric i3 Smoke Detector With Base, Power Source 12/24 VDC Product Dimensions 5 x 5 x 2 inches