A Wavemaker Makes Your Tank Look More Realistic It Allows Tall Plants To Move Fluidly And Helps Fish To Feel The Water Moving Around Them It Simulates The Movement In The Real Habitat Another Benefit Of Having A Wavemaker Is That It Promotes Water Circulation So That All Parts Of The Aquarium Have Access To Fresh Oxygenated Water, Further Improving The Health Of Your Fish If You Happen To Keep Coral And Other Living Decor In The Tank, Then It Is Essential To Have A Wavemaker, As These Creatures Rely On The Movement Of The Water To Supply Them With The Necessary Nutrientsspecification: Voltage: 110-120V 60Hz Frequency: 60Hz Power: 8W Output: 6000Lh (1585Gph) Dimension: 77*70*126Mm (3*275*5 Inches) Package Content: 1X Submersible Wave Maker 360 Degree Circulation For Aquarium Fish Tank -1600Gph