Freshwater: The Dymax SpeceX LED lighting provides a balanced combination of multiple LEDs for optimal photosynthetic activity; plant growth and viewing. These lights project full spectrum lighting plus essential RGB spectrum wavelength that provide and support strong plant 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. 24Hour smart control. Intensity selection. Night Light option. Spectrum control. Convective heat exchange design. Includes adjustable arm ,suitable for glass thickness up to 10mm Dimensions: Length 15cm; Width 15cm; Height 3.5cm; Weight 436g. 48W 240V   Saltwater: The Dymax Specex LED lighting provides a balanced combination of multiple LEDs for optimal photosynthetic activity; coral growth and viewing. These lights project full spectrum lighting plus essential actinic blue spectrum wavelength that supports strong coral growth as well as enhances its colour. This LED also emits balanced light for accurate viewing for both fish and the entire aquatic environment in the aquarium. 24Hour Smart control. Intensity selection. Night Light option. Spectrum control. Convective heat exchange design. Includes adjustable arm ,suitable for glass thickness up to 10mm Dimensions: Length 15cm; Width 15cm; Height 3.5cm; Weight 436g. 48W 240V