The overtank metal halide lights are perfect for smaller marine tanks that dont have enough room for a large hood style halide fitting. This halide lamp is raised clear from the top of your tank using a fully adjustable support bracket, which attaches securely and easily onto the glass rim walls of your aquarium marine fish tank. The halide light is fully adjustable allowing you to tilt the head of the unit to the area of your tank that needs the most light penetration. The lamp head also comes built in with light reflecters that increase the halide power and penetration by up to 50%. This marine metal halide model comes complete with 1 x 400W 10K Metal Halide bulb. These are standard bulbs that you can get anywhere in the UK we also stock spare halide bulbs if you wish to purchase any. All Bulbs are included with the unit. The unit also has a powerful built in cooling fan that will help cool your aquarium down and also add to the water movement in your tank. Features High quality Aluminium cover Powerful built in cooling fan Bracket can be moved anywhere along your tank Open top allows plant growth beyond the water surface In-built reflectors, to maximise the light output Two on / off switches allowing you to control each part of the unit separately Adjustable mounting bracket Specification Metal Halide Bulb: 1 x 400W 10000K 30w built in cooling fan External ballast supplied which controls the halide light and built in cooling fan Dimensions: 445 x 265 x 620 mm 12 Months Warranty