Specification: LED Light Bar LED Power: 312(104x 3W High Intensity LED) Beam Pattern: Spot Flood Combo Beam Input Voltage: 12-30V DC (fits 12V, 24V vehicles) Working Lifespan: Over 30, 000 hours Working Temperature: -40~85 degrees Celsius LED Color Temperature: Pure White 6000K-6500K Material: 6063 Aluminum Profile, High quality Led Chips, PC Lens Waterproof Rate: IP67; Waterproof, dustproof, quakeproof and anti-corrosive. 12ft Universal Wiring Harness Kit - 1 Lead 12ft heavy duty wiring harness; Operating Voltage: 12V DC Wire Gauge: 14 AWG; Max Wattage: 300W 5 pin on-off rocker switch; DC 12V automotive relay, inline blade fuse with three extra fuses Applications: Off Road Lighting: Jeeps, 4x4, Cars, ATV, UTV, SUV, Truck, Trailer, Forklift, Trains, Boat, Bus, Outdoor lighting, etc. Other Lighting: Excavator, Dozer, Road Roller, Crane, Tractor, Harvester, Grain Drill, Mower, Snowplow, Fire engine, Rescue Vehicle, Camping, Mining Lighting, Construction Lighting, etc. Household Lighting: Garden, Backyard, Garage, Indoor Lighting. (Note: Use a voltage transformer/converter to convert the AC 110-120V to DC 12V for indoor use. ) Note: They are aftermarket parts. NOT D. O. T. approved. Do not use if D. O. T. is required. For off road use only. Before installing this product, please check your state/provincial and local/municipal laws and regulations. The operating voltage of the light bar is 12-30V DC. If the input voltage is less than 12V, some Led chips might not enter the working status. Please finish the installation by professionals or install the wiring harness under the guidance of professionals.