Putco's High Power Luminix LED Light Bars deliver high quality, universal bright lighting that is 300% smaller than other light bars on the market. Each bar comes fully assembled and ready to mount on your truck, ATV, or to any area that you need high power LED lighting. Putco's Light Bars are constructed of black anodized 6061 billet aluminum, feature Nichia 3W LEDs, and focus lenses that concentrate the light beam path. The miniaturized size of this bar makes it ideal for installation in narrow openings. The bars are available in 3.5 x 4.5" up to 70" lengths and include a wiring harness and standard mounting hardware. "No electrical hum"