About this article. Super Bright: This 4-inch light can provide extremely bright light and long-distance illumination, providing you with excellent vision when driving and cycling at night. IP68 Waterproof: It has excellent waterproof, dustproof, rustproof and shockproof performance. The sturdy structure can fully withstand the harsh environment of off-road driving. High quality: Using heavy-duty die-cast aluminum housing and heat diation system with large heat diggers help accelerate heat diation and make it durable, so the lifespan of these lamps exceeds 50,000 hours. Wide range of applications: Easy to install, adjustable bracket makes it easy to change the direction of the beam. Very suitable for any type of cars, off-road vehicles, all-terrain vehicles.