Hella is one of the top names in automotive lighting and electrical systems, since 1899. Hella produces lighting systems for many European OEM applications, as well as aftermarket performance lighting systems. Each of their light kits feature high-performance bulbs, quality-made lamp housings and mounts, precision-engineered reflectors and optics, and detailed installation instructions. The 550 high-performance driving lamp is made of high-impact abs plastic. It can be mounted upright or pendant. Each 550 kit contains (2) halogen lamps, (2) 12v 55 watt halogen bulbs, (1) prewired color-coded wire harness with 12v fused relay and illuminated rocker switch and (2) stone shields. Pre-fitted cables make installation easy. (drilling may be required.) dimensions: 7 11/16 w x 3 h x 3 1/4 d