Elive Transformer for Aquarium Light Hood with Switch for Three Elive LED Tube Lights in all Sizes Reliable Transformer: Designed to work with Elive Tube Lights, works with Elive Cool White, Lunar Blue, High Def Color and Plant & Coral Growth Tubes Compact: Fits everywhere, the transformer box can easily be hidden as it is not combined with the plug itself. Versatile: Due to the long cable you are not limited on where to put your light anymore. Upgradeable: Can be combined with the Elive inline timer for automatic light adjustments like day and night cycles. Trusted Name: Elive has been a high quality manufacturer of aquarium equipment for many years and is proud to be the most trusted brand for aquatics in the US today.