Color: Silver Material: Aluminum Alloy Power: 1000w Voltage: 220V Speed: 3500RPM Water Flow Rate: 2L/s (0.5gal/s) Vertical Drop: 15m/49.21ft Inner Diameter: 50mm/0.16in Product Size: 14*24cm/5.5*9.45inPackage include:1X Hydroelectric Generator Set