Perfect for beginner nano  saltwater tanks The Dymax LED lighting provides a balanced combination of multiple LEDs for optimal photosynthetic activity, growth and viewing.  These lights project full spectrum lighting plus essential RGB spectrum wavelength that supports strong coral growth as well as enhanced colour. This LED also emits balanced light for accurate viewing for both fish and the entire aquatic environment in the aquarium.  Marine LED. DM720 18 x 10 x .08cm Power consumption 12w at full power Cable length 3m