10 super-bright, long-life, maintenance-free 1W LEDs makeup the Lightning Bright 2 Warning Light. You'll get years of reliable service from Lightning Bright 2 thanks to its ability to withstand tough weather conditions and high vibrations. The base is rugged ABS that will not corrode, and all mounting hardware and a rubber gasket is included. Its replaceable amber fresnel lens is made of strong polycarbonate plastic. This is one Warning Light you can count on.