Easy Bolt-On Installation. Durable die-cast aluminum housing. Fits 40″ Curved Single Row LED. 16000 lumens 200 watts Contains 40, 5-watt High-Intensity CREE LEDs. 30-degree spot. Black panel design. IP67 Waterproof rating. Moisture Breather technology reduces moisture build-up behind the lends. Noise Silencers eliminate hum, whistle, and other wind noises associated with mounted LED Light bars. Includes premium, flat-wound wiring harness with on/off switch. Length: 41.625-inches | Depth: 3.12-inches | Height: 1.8-inches Bolt Diameter: 8mm Noise Silencers eliminate hum, whistle, and other wind noises associated with mounted LED Light bars. 3-year warranty.