Need a LOT of light for off-road driving but don't want a huge light bar hanging off your car? This slim 40 inch single-row light bar utilizes a combination beam pattern and pumps out an incredible 17,120 lumens! Focused beam can provide light for almost 4600 feet! Includes a deluxe wiring harness which consists of an on/off switch with LED indicator light, in-line fuse, 12v40A relay all the wiring you need for professional installation. USA Made Cree LED chips IP69 guarantees product is 100% sealed to foreign contaminants and survive the harshest elements. LED mount and wiring harness included. The housing is constructed of high quality 6063 aluminum and sealed with 316 stainless steel screws every 1.5 inches to ensure an impenetrable seal. This construction is what give the product a IP69K rating which means this products will survive the harshest elements you can throw at it. The lens is crafted from high quality GE Lexan which is 300 times stronger than glass plus its resistant to corrosive acids and other chemicals such as gasoline. The lens is also manufactured to be scratch resistant and UV resistant. The product is equipped with a special breather apparatus that is uniquely designed to prevent condensation and water intrusion. Equipped with a Deutsch connector which is globally renowned for its ability to be waterproof and its ease of use. To prevent unwanted wind noise Wind Reducers are equipped to ensure a quiet experience during high speed travel. Outdoor Dupont painting coats the housing guaranteeing the housing will remain unchanged for 5 years. The mounts for the Double Row light bars are aluminum. The Single Row Light bars are stainless steel and utilizes a Torx head bolt to prevent theft. The interior of these products is unique because they are all made with Cree LED chips (Made in the USA) which allow for low forward voltage, low heat generation, long life and high ESD tolerance and resistance. The PCBA (Printed Circuit Board Assembly) is engineered with unique temperature protection, voltage protection and current protection designs to maximize efficiency and increase durability. This unique design means no electromagnetic interference with other nearby electronics on your vehicle. Lastly as an added measure, an over voltage protection is installed prevent premature failure from accidental voltage fluctuations.