This item is a wave maker for aquarium use. You can put it onto the fish tank with the suction cup and then plug it. By using this product， improve water circulation and oxygenation as well as to let your fishes， corals enjoy a vital and energetic ocean-like environment.<br><br><strong>Features:</strong><br>Pure copper motor.<br>Quick and easy installation and maintenance.<br>360 degrees rotation on a big strong suction cup.<br>High performance， powerful， water flow combined with low energy consumption.<br>Suitable for freshwater and saltwater.<br>Let your fishes， corals enjoy a vital and energetic ocean-like environment with this item.<br><br><strong>Specifications:</strong><br>Plug Type: EU Plug<br>Power Supply: AC 220-240V<br>Wattage: 18W / 25W (Optional)<br>Flow Rate: 18W: 12000L/H; 25W: 15000L/H<br>Installation: Suction Cup<br>Power Cable Length: Approx. 1.8cm / 70.86in<br>Suction Cup Dia.: 8cm / 3.15in<br>Dimension: Approx.<br>18W: 11.5 * 9 * 7.5cm / 4.53 * 3.54 * 2.95in<br>25W: 13 * 9 * 7.5cm / 5.12 * 3.54 * 2.95in<br>Weight: 18W: 630g / 22.24oz; 25W: 664g / 23.43oz<br>Package Size: 23 * 12 * 12cm / 9 * 4.7 * 4.7in(L * W * H)<br>Package Weight: 732g~754g / 25.83oz~26.6oz<br><br><strong>Package List:</strong><br>1 * Wave Maker