The Kessil A80 Tuna Blue LED Reef Light is designed for marine aquariums with a tank capacity of 200 gallons. With a bulb type of LED and a wattage of 15W, this high-intensity light provides full spectrum lighting for general lighting applications. The goose neck and Kessil spectral control features make it easy to adjust and customize the lighting conditions for optimal growth and visibility in your aquarium. At 42 inches in length, this reef light is a reliable choice for maintaining a vibrant and healthy environment for your fish. Comes with goose neck attachment and kessil spectral controller. All brand new in the box unopened