Federal Signal Strobe Warning Light, Series: 225XST, 12 to 24 VDC, 1.7 to 0.7 A, Cylindrical, 5-1/2 in Dia, Red Lens, 80 fpm Flash Rate, 580000 cd, 10000 hr Average Life, Surface Mount, NEMA 4X, IP66, -40 to 104 deg F, Polycarbonate Dome Housing, 7-1/4 in H