The KC Cylcone LED is not only compact, it's also multi-fuctional. It is an auxiliary answer to many lighting issues as it was designed for Off Road Racers to serve as a dome light. It has become an amazing light for rock climbers, wheel wells, engine bays, and a growing number of off-road uses. It is a compcat light at only 2.2 inches in diameter, and a flat .53 height. It provides powerful light with 1,100 Raw Lumens on 5 watts of power. It uses 6 to 16 volts to work and attaches to a number of items with a Dzeus Clip. It is IP 68 rated waterproof and is protected from RFI/EMC interference.