Aquarium, Vivarium, Terrarium Light Starter Unit. Suitable for use in all types aquariums and reptile Vivarium/Terrarium. Suitable for all types of fluorescent t8 tubes. New corrosion free waterproof end caps with silicone seals to IP67. Extra long cable lengths to bulb end caps and come with 1.2 mtr mains cable fitted with 13 amp mains plug. For fluorescent tubes up to 24″ 18-20watts. Built in on/off switch full 2 year guarantee.