Aquatic Life Light T5 HO 6-Lamp 2-Lunar Aquarium Light, 24-Inch Timer controls T5 HO Fluorescent Lamps and Lunar LED's independently Built-in Fans keep fixtures cool and direct heat away from the aquarium Adjustable width Aquarium Frame Mounts support fixture above the aquarium German-made individual reflectors maximize light by directing it into the aquarium Suspension Ports allow connection to optional cables for various mounting configurations