Dual 3 watt high output led emitters housed in an anodized aluminum case. Optimized reflector design focuses light downward for penetrating deeper aquariums Wide angle of radiation allows larger coverage area. Ideal for large aquarium set ups, and custom installations Create a night time fluorescent effect to make your corals pop with intense colors. Will make many aquarium decorations, corals, and fish literally glow at night. Great for reef aquariums, tropical aquariums, terrariums, and reptile enclosures. Made is u.S.A