Feature:*1.This product is totally waterproof so that it can be completely submersed in the water.*2.Made of high-grade material, which is non-toxic, safe, energy-saving and eco-friendly.*3.Gas evenly and with sufficient oxygen, which can be used to light and make oxygen for fish and also be used as a decoration for your aquarium.*4.The light effects are so bright and you can view the fishes at the tank clearly and give you a totally different.*5.There are 3 mini suction cups at the bottom of the light, which will help you fix the light in the tank. Description:Can connect to air pump for air bubble billow effect (Air pump not included)IP68 waterproof rate, excellent sealed design, can be fully submerged in water6 colour changing LEDs and an air stone combined in a single decor piece (2 inches diameter)Built-in air stones create air bubbles for improved oxygenation and gas exchangeCreates a decorative array of bubbles and colorful column of air in your aquariumfish tank bubble maker fill with stone, can sit at the bottom of tank steady with 3 mini suction cup. The color-changing Led bubble light come with 5.58 ft long power cable, can be submersed into water, widely use for aquariums, fish tanks, pools and so on. It create a colorful column of bubbles in your aquarium with endless color combinations thanks to 6 color changing RGB leds. Directions for Use:Attach airline tubing (sold separately) to Air Inlet on the LED Bubble Ring.Make sure Airstone is securely in place.Connect Airline Tubing to an Air Pump (Air pump is not included).Connect Power Cord to Transformer.Position and anchor LED Bubble Ring by covering Flaps with gravel.Plug Transformer and Air Pump into electrical outlet. Specifications:Lamp Material: ABSLight Color: Multi-colorsVoltage: AC 100-240V/50-60HzOutput: DC 12V 500mAPlug:US/EU/UKPower: 1WLED Quantity: 6PcsFeatures: Waterproof, Mini Size, Round Shape, Super Bright, Energy SavingCable Length: 115.5cm/45.5" (Approx.)Lamp Size: 5.5cm x 1.5cm/2.2" x 0.6" (Approx.) Package Contents:1 * Air Bubble Light1 * Air Tube1 * User Manual1 * Power Cable1 * 12V DC Adapter Note:Please put the air stone into water to soak for 15-20 minutes before you connected it to the air pump, so that bubbles can emit all around.If the bubbles did not come out of whole circle and only coming out one side of the disk, your should sure the pump you use has enough power to work it.Plug Type: US Plug, it applies to Canada, India, Japan, Mexico, Thailand, Taiwan, the United States, the Philippines and so on./EU Plug, it applies to Indonesia, Germany, France, Spain, Italy and so on. Notes:Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.