The new sera LED X-Change System allows for easy conversion from fluorescent tubes to modern low voltage LED aquarium lighting. Not only saving energy costs, excellent light quality and longevity are arguments for the enviromentally friendlier light source, but the sera LED X-Change System even allows changing light scenarios in an uncomplicated way. In Combination with the sera LED Digital Dimmer it is possible to slowly dimm the light up and down in the brightness.The sera LED X-Change Tubes can be installed into the existing fixtures of the previously used fluorescent tube using an separate available adaptor for T5 or T8. The T5 or T8 fixtures are disconnected for this purpose and only serve for keeping the tube in place. Power supply is achieved via a low voltage cable and a 20 V ballast (the ballast is not included). Several sera LED X-Change tubes can be interconnected via the sera LED Triple Cable and a ballast (take care of the total amperage!). It is of course also possible to