The 4-foot Pro Internal Drive Light Bar offers an impressive lighting performance with 15 watts of power, producing between 1462 and 3653 lumens at 4000K color temperature. This light bar includes two surface mount magnetic clips with easy bend and break lines, four 1/4-inch hex head self-drilling screws, and a flex setting cover, making installation simple and secure. It is also capable of connecting up to 40 light bars on one incoming power cable. Backed by a 5-year warranty and a lifespan of over 50,000 hours, this light bar offers long-lasting, reliable performance.