Shop Nilight 42 LED Roof Top Strobe Lights Hazard Emergency Safety Warning Flashing Light Bar w/Control Panel Magnetic Mount 12V 24V Car Truck Tractor Snow Plow Construction Vehicles in high quality, support 2 year warranty. Made of sturdy ABS housing, the upgraded scratch-resistant crystal clear PC optic lens deliver max brightness. Integrated heat sink, and anti-condensation drain port, improve the problem of water vapor condensation inside the lens.