Note: The item is only for 220- , not for . Please confirm the voltage of your area . Description Your aquarium or fish tank is lifeless and the water is ? Your are with the and sharing inadequate oxygen supply in your tank? Now, we will recommend you a simple & practical aquarium wave maker, which is exactly what you need. Then fish keeping has never been easier... The wave maker is actually an electric vibration pump, whose power head can be rotated by 360-degree to provide a randomized water current with max. water flow up to 6000L/H, yet only using 12w of power, to simulate the conditions of the ocean. The wave maker can help "dead spots" in your aquarium, and the health and growth of your tank . With easy to install and operate, it is really a wonderful wave make suitable for both saltwater and freshwater aquariums. Features - Model: -201. - Color: mainly black. - Shell material: durable hard plastic. - Input voltage: 220- , 50/60Hz. - Rated power: 12W. . water flow: 6000L per hour. - brandnew and Aquarium Fish Tank Wave Maker Vibration Pump. - Dual motors for increased flow and greater adjustable directional ability, providing a randomized water current to simulate the conditions of the ocean. - Can make the tank vivid of wave effect, make water the water. - of water circulation can cause the coral to , while unidirectional current can cause the coral to become irritated and, thus to . - help "dead spots" in your aquarium and the health and growth of your tank . - Suitable for saltwater and freshwater aquariums. - With the included suction-cup bracket, you can easily attach the wave maker to your aquarium or fish tank. - High efficiency, and long service lifetime. How to Install 1. Make sure that all the parts of the vibration pump are fine before it works. 2. the surface of your aquarium before putting the suction cups ( ). It will cumber the correct installation if there's any dirt on the surface of the aquarium. And the of the pump causes the damage to the pump itself. 3. Insert the connection part of the suction cup bottom plate bracket to the opening of the pump. 4. Adjust the water pump's head to get the right direction of water flow you want. 5. Dip the pump into the water completely, push bottom plate to the surface of the aquarium and then press out the air from the suction cups ( ). 6. Connect the plug to the electricity power. Package list: 1 * -201 220- 12W 6000L/H Aquarium Fish Tank Wave Maker Vibration Pump (Black) 1 * Suction Cup Bracket