Specification Color: Silver Material: Aluminum, Stainless Steel Style: Modern Plug Voltage: 110V Motor Power: 1/2HP Power Type: Plug-in Plug: American Standard Noise: <60dB Motor Type: Pure Copper Motor Maximum Current: 4.8 A Maximum Pond Area: 1 Acre Maximum CFM: 4.6 Maximum Depth: 50ft/15.2m Air Compressor Pressure: 0.2-0.6Mpa Motor Speed: 1680rpm Water Pipe Length: 30m/98ft Air Displacement: 70L/min (18gal/min) Net Weight: 18kg/39lbs Gross Weight: 19kg/41lbs Package Size: 524340cm/201615inch Product Size: 271318cm/1057inch Package Included 1 Air Compressor 1 Underwater Aeration Tray 1 Silencer 1 Water Pipe 1 English Manual.