Brand: Federal Signal Color: Gray Dimensions: 3.62 in W x 3.62 in D x 0.826 in H Material: Polycarbonate Series: SLMB Specifications: 12 to 24 V AC/DC, Surface Mount, -22 to 122 deg F Operating, 12 to 24 VAC/VDC, Surface Mount, -22 to 122 deg F Operating Suitable For Use With: StreamLine® SLM Series Beacons and Sounder Type: Cylindrical Low Profile