PIAA's 570 series LED driving lamps cast 75,000 candela of cobalt-blue (6000 Kelvin) illumination. The lamps cast light in a precise long-range driving pattern, with a 30-degree spread. SAE/DOT compliant and suitable for use on all types of vehicles, including cars, trucks and SUVs. Includes an 8-watt controller that boosts the output of each five-watt bulb to nine watts. Each lamp has two LED bulbs for a total output of 18 watts per lamp. Compared to halogen and H.I.D. bulbs, this lamp offers greater longevity. Comes with a 7 3/16" diameter and depth of 4 1/4". Rustproof and water resistant.