T5 Electronic Control 1x 54wThe Ultraseal T5 Electronic range of fluorescent controllers are IP67 rated, meaning that the controller can be completely concealed within the hood of the aquarium. When using T5 high output lamps, it is essential that an electronically ballasted unit such as this is used traditional magnetically ballasted units will not suffice. Waterproof lamp leads and controller body for installation inside the aquarium hood. Long mains with integral power switch