The AQUANEAT LED Aquarium Light is a full spectrum light that provides a natural daytime effect. The light features 42 LEDs, 30 pcs of which are 6500K white LEDs, 6pcs are blue LEDs, 3 pcs are pink LEDs, and 3 pcs are green LEDs. The light body is made of plastic and has a rectangular shape. The tank thickness is no limit to the rim size. The light mode is all lights on and all lights off. The super bright and energy efficient LEDs are perfect for all freshwater tanks.