Its light weight minimizes space usage while providing uniform, powerful illuminations through multiple brightness mode for customized water environment Perfect for aquarium hobbyists, water plant enthusiasts, and workers seeking, energy efficient lighting solution for small to mediums size freshwater tanks power via USB port,, or wall outlets to create natural sunrising to dusk lighting cycles in homes aquariums, tanks, or desktop display Engineered with premium materials and low heat output technology, this LED light ensures longlasting, safe operations for maintaining better underwater ecosystem without overheating concern Illuminate your aquarium with this USB powered LED light featuring six rows of high brightness beads for vibrancy water plant growth and fish tanks display, great for aquarium lighting and fishtank LED needs