Introducing the new T8 LED Lamps from Arcadia, the fuss free way to upgrade your current T8 lighting to brighter and energy efficient LED. Fully compatible with current T8 controllers from Arcadia and comparable to T5 light output which we believe makes it the must have for upgrading to LED at the fraction of the price. This Sunlight Lamp has 8k White LED\'s to provide a bright white light for that natural colour rendition, enhancing the rich greens in plants and to support aquatic plant life. Suitable for freshwater or marine set-ups. Features Include 13W is equivalent to a 30W fluorescent lamp. 54 x 0.25W LED\'s. Uses 1/3 of the electricity and produces 70% more effective light than the equivalent fluorescent lamp. Overall, 5x more light for every kilowatt hour. Adds \'ripple effect\' to an aquarium. Compatible with current Arcadia Controllers. Lamp is a twist manouverable to allow a more specific lighting position.