It is strong, with its high impact resistant polyamide housing, unbreakable polycarbonate hard clear-coated lens, and stout mounting system. Even better, the shock lamp features computer-designed multi surface reflector with twin color dual beam H4 bulb. Gives the Piaa illumination in a package engineered to perform anywhere in any conditions. Designed specifically for race applications, the Piaa shock lamp is not sold as a complete kit. Not recommended for highway use.