... optional 5:more energy saving and long lifespan Item Description 1. Use high efficient 1w LED as the light source, Based on ... 3. Unique heat dissipation device: thermostatically controlled fans to keep LED light cool. 4. Built-in CE approval Power supply, plug ... not waterproof, do not drop water into the light. Easy Installation,Energy Saving,Widespread Use,LED Aquarium Light 120W,for LPS,Reef,Fish