The Overtank High Output T5 is raised clear from the top of the tank on adjustable legs, which attach securely onto the glass side walls. The light can then be tilted back into a near vertical position to allow easy access to the aquarium when needed. All of our lighting units are built with high quality german made T5 high output electronic ballasts. The light has 2 switches one to control the outside 2 lamps and one to control the inside 2 lamps. For Fish Keepers who want to set different timers on seperate coloured lights we have the option to purchase the unit with two power cables instead of the standard one power cable, for an additional cost of £50. Please click here to go to the 2 cabled products page. The built in Reflectors raise the power of the light by approximately 50% Marine HOT5 model comes with 2 x Blue Actinic Bulbs and 2 x White Marine 10000K Bulbs. These are standard bulbs that you can get anywhere in the UK we also stock spare bulbs if you wish to purchase any. Features All units come compleete with required bulbs. Every unit also comes complete with a perspex cover to protect the light and bulbs from water spray. Open top allows plant growth beyond the water surface Multiple lamp option for improved plant / coral growth In-built reflectors, to maximise the light output Adjustable mounting brackets High quality Aluminium cover Brackets can be moved across the light to fit smaller tanks. Specification Silver T5 Aquarium Light (4 bulbs) 60cm Measurements: 60 X 24 X 6 cm Power: 96W (4 X 24W) Silver T5 Aquarium Light (4 bulbs) 90cm Measurements: 90 X 24 X 6 cm Power: 156W (4 X 39W) Silver T5 Aquarium Light (4 bulbs) 100cm Measurements: 100 X 24 X 6 cm Power: 156W (4 X 39W) Silver T5 Aquarium Light (4 bulbs) 120cm Measurements: 120 X 24 X 6 cm Power: 216W (4 X 54W) Silver T5 Aquarium Light (4 bulbs) 150cm Measurements: 150 X 24 X 6 cm Power: 216W (4 X 54W) Silver T5 Aquarium Light (4 bulbs) 150cm Measurements: 150 X 24 X 6 cm Power: 320W (4 X 80W) Tube;T5 Blue Extra Reef Light. Voltage: 220-240v Comply with: CE 12 Months Warranty Please click dropdown to view current products range.