The Ellipse Marine Hybrid is ideal lighting for marine aquariums as it utilises the Arcadia Marine Hybrid Compact Lamp to enhance the colours of your aquarium Actinic white lamp that enhances blue and violet marine colours High photosynthetic light content Easy to fit Waterproof (to IP67 standard) Elliptical reflector for even light distribution Mounts to tank rim (4-12mm thick) 90 degree hinge mechanism for easy tank access Dimensions360mm wide x 260mm deep (front to back)Cable length 1.8m