Product description: Aqua Medic Ocean light Plus Aquarium Lighting Unit The Aqua Medic Ocean light Plus Aquarium Lighting Unit series offers the power and brilliance of metal halide lighting alongside T5 fluorescent lighting. This unit features individually controllable circuits for the metal halide and fluorescent lighting circuits. The uncompromising quality of Aqua Medic speaks for itself. The anodized aluminum housing contains high-quality reflectors for optimal performance. The elegant suspension cables included in the package can be adjusted to any height. Metal halide ballasts are sold separately, while T5 ballasts are included.