The Peterson Channel Cat Submersible Combination Tail Light V456 is a 12 Volt utility light, with 7 functions and a rectangular shape lamp. This waterproof tail light is made of strong plastic and is designed to provide premium performance and long-lasting durability. The product dimensions are 2.9 x 7.9 x 2.9 inches and it comes in a 1-pack. With this tail light, you can always count on reliable visibility.