855PD Panel Mount Dual Circuit Alarms, Black Housing, 240V AC, 45 mm, Half Lens Illumination w/Barrier, Red Lens, Green Lens, 22.5 mmPANEL MOUNT DATAHousing ColorBlack HousingVoltage240V ACSize45 mmFunctionHalf Lens Illumination w/BarrierFirst Lens Color...