Entirely sealed design for underwater use, multiple-choice for color and size. High quality of SMD LED chips for high lumen output and good maintenance, super bright. With two diameter 32mm strong suction cup base, Easy to attach to the fish tank. The length of the line is 2.2 meters, which is convenient for you to put in any position. Can be put in the bottom of fish tank, on the top of fish tank and anywhere you want to put in the fish tank to decorate it.