The Lucare 12-18 Inch 18W Saltwater Aquarium Light is a high-quality light that provides a full spectrum of colors to help promote healthy and balanced fish growth. The light features an exclusive reef coral spectrum that is designed to mimic the natural environment. The light is also dimmable and has a 2-way switch that allows you to easily change directions. The light is made from an LED that is rated at 120 watts.