This Truck-Lite Headlight Kit by RIGID includes two heated headlights and two H13 to H4 adaptors. Truck-Lite Headlight Kits by RIGID are an excellent option for light, medium and heavy-duty trucks, off-road vehicles, classic cars, motorcycles, Jeeps and more. The lamp is designed to conform to the requirements listed in the Department of Transportation - DOT, FMVSS-108 and Transport Canada - TC, CMVSS-108. Headlights marked with the DOT symbol signifies the lamps are street legal. Metalized reflector optics provide a lighting experience that is smooth and clean across the driving surface. The reflector also provides a brighter, crisper and whiter light output, closer to the color temperature of daylight. Durability and dependability of LED lighting provides a solid-state, bulb-free headlight design that impervious to damage from shock and vibration. Military grade, die-cast aluminum housing and a non-yellowing, polycarbonate lens offer optimum protection against damage from impact, roadside debris and other hazards. Electronics are sealed to resist from damage caused by corrosion or moisture. Advanced circuitry protects against voltage spikes up to 600V. These headlights are a drop-in replacement for 6014, 6015, 6016, H6024 and Par 56 headlight designs. Uses standard H4, 3-blade wiring connector.