This modular X-Change system gives you the freedom to transition from Stromintensiven fluorescent tubes to Sera LED Energy Saving, Environmentally Friendly and versatile LED lighting function. The mounting of the LED tubes is really simple, as the existing T8 or T5 fittings can be used as a stand. Thanks to the use of low voltage technology (20 V) and waterproof tubes a particularly high level is safe. With the 5 light colours, in seven different lengths – offering the LED Aquarium Lighting a wide range of combination possibilities. For allows for control of the light intensity and brightness and can be used also as a timer switch.