Super Multi-Surface Reflector provides an effective fog pattern. At only 2 1/16" tall, 3 1/4" wide, and 3" deep, this little jewel throws out an amazing amount of light. A full 90 degree beam. They call it a fog lamp, but you'll call it light up the night! H3 55w Halogen bulb produces light = to 85w of light. A marvel in a compact package.