Key Features Upgrade Your Traditional Fluorescent Tubes to LED Systems and Save Energy Designed to Replace Traditional 45cm T8 Tubes Complete Kit Including Ballast and Waterproof End Caps Bright LED Lighting Equivalent to a 15w Tube But Uses Only 7w of Power SuperFish Retro Fit LED Lights are a low energy and cost effective solution to lighting up your Aquarium. By replacing your traditional T8 fluorescent lamp with a SuperFish LED Retro Fit Light, you can save up to 50% on energy and each bulb can supply 30,000 hours worth of use. The SuperFish Retro Fit LED Lights fit T8 hoods seamlessly and each light comes with their own on/off in-line switch and transformer, making them a hassle free replacement light for your Aquarium. With the lights being fully water resistant and low voltage, the Superfish Retro Fit LED Lights make a perfect low energy and easy fit replacement bulb which are perfect for use with freshwater aquariums. Each light comes with their own on/off in-line switch and