[Incredible Brightness & Longer Vision??]Sammanlight LED lights bar equipped with quad row concentrated spot beam and 48PCS intensity led chips, producing 144w &11,520 lumens. The Yellow light bars are great for finding your way through heavy fog conditions or during snowy conditions. [IP68 Waterproof Rate:]IP68 waterproof rate, perfect for harsh environmrnt, such as snowing or rainning. Black Heavy Duty 6306 Aviation aluminum housing, and mated with shatterproof lenses, they are totally resistant to dust and moisture. Rustproof & anticorrosive 6306 alumimum shell makes it more durable. [Efficient Heat Disspation System??]The thin radiator fins allow air to pass through the LED light bar at the fastest speed.We carefully designed 12PCS thin radiator fins to disate the temperature into the surrounding air.It maximizing air circulation and helping the LED light bar to cool quickly during operation , keeping the product running at normal temperature and extending the light bar’s li