IP68 Waterproof --- This LED light Bar could be submerged entirely under the water or put it out of the water, but the Power Adapter with switch is Non-submersible! BLUE LED Lights --- Use of 15 White LED lights(NOT BLUE LIGHT), can make your fish tank look like part of oceans. The 11 inch length lights fitting aquariums widths of 11-20 inches. Suction Cup Type --- Easy to attach to the fish tank with 2 suction cups (included), make it very easy to place on fish tank. This item can be put in the bottom of fish tank, on the top of fish tank and any where you want put in the fish tank to decorate your fish tank. Brighter and Safer --- 5050 LED lights chip is 20% brighter and is designed for reliable, long-term performance, energy saving and safe. And the explosion protection acrylic glass give a more clear and safer light for your aquariums. Universal Use --- Can be widely used in fish tanks, cisterns, rockeries, pet cages and others. Bright LED Bar can make your tank look like part of oceans, and your fish and reptiles seen where they're swimming or moving.