The New AI Prime 16HD shares the same full spectrum cluster and features as the Hydra 32HD and Hydra 64HD, as a result the new Prime will be called Prime 16HD as the new cluster incorporates 16 LEDs (+1 Moonlight) and the new TIR optic. At 55W this small but powerful light is perfect for tanks up to 20 x 20 inches or can be used in multiples on medium aquariums. Dimensions (L x W x H). X 12.4cm 4.88in. X 3.3cm 1.30in.The item "AI PRIME 16HD LED LIGHT MARINE REEF FULL SPECTRUM AQUARIUM LIGHTS (BLACK)" is in sale since Friday, April 17, 2020. This item is in the category "Pet Supplies\Fish & Aquarium\Lighting & Hoods". The seller is "aquafiltersocks" and is located in Leeds, West Yorkshire. This item can be shipped worldwide.