Sound Off Signal EPL7M+AC Pinnacle Magnetic Mount Mini LED Light Bar with Clear Lens and Amber LEDs Professional grade generation 3 LEDs provide powerful warning and years of trouble free service for severe duty applications Fusion technology optics offer wide light dispersion for added safety Has 4 to 84 pouds pull black powder coated magents, 10 inch cord, cigarette plug with 3-position switch on-off flash pattern selection Waterproof Features a voltage input of 10 to 30 volts, 24 Generation 3 LEDs, operating temperature of minus 40 degrees to 65 degrees Centigrade and 2.78 inch overall height of magnet mount