The Hagen Fluval Prism Multi-Color Underwater LED Spotlight is a powerful 6.5W light beam that projects up to 6 ft. It features 80 colors with brightness control and can be operated via remote control or in person. Choose from up to 80 colors with brightness control and special effects including sunset, storm, heavy storm and full color cycle. The Hagen Fluval Prism Multi-Color Underwater LED Spotlight is made of glass and weighs 0.18 kg.