Build in Digital Timer controls Daylight and Actinic T5 HO Fluorescent Lamps and Lunar LED's independently. Adjustable width Aquarium Frame Mounts support fixture above the aquarium. Gloss finish front side compliments the matte finish on top and ends of the fixture. German-made specially angled reflector maximizes light by directing it into the aquarium. Suspension Ports allow connection to optional cables for various mounting configurations.