The second generation Fluval Prism LED, which can be mounted anywhere under the glass, provides your aquarium with stronger and more entertaining lighting for a fun and dramatic effect. Key features: Powerful 6.5W light beam with double the output of the previous generation and can project up to 1.8 meters. Choose from 80 colors with brightness control. Special effects such as sunset, storm, heavy storm, and full color cycle are available. A remote control is included. The small, compact size is 35% smaller than before. Black is now offered for better camouflage. The lamp is IP68 waterproof and suitable only for underwater use. Fully adjustable - can rotate up, down, and sideways. The easy-to-install suction cup allows for simple positioning.