Wolo?s new Lightning Bright 2 warning light is built with 10 super bright 1-watt LEDs, that are long life and totally maintenance free. The electronics is sealed in rock hard epoxy to withstand all weather conditions and high vibration. Permanent Mount. Lightning Bright has an operating voltage range of 12-100 volts DC. The lights base is rugged ABS that will not corrode; all required mounting hardware and a rubber gasket are provided. Lightning Bright has a replaceable amber fresnel lens that is made of strong polycarbonate plastic.