Check the listing for details. 80V Micro Hydro DC Water Pump Hydroelectric Power Energy Generator. Condition: New. Listed at 10.98 USD. Features: Made of high quality material, durable in use. Solid structure, low noise, stable working performance. Smooth generator, no rust, no obvious scratch. Compact size, light weight, easy to install. The output voltage of the circuit without voltage regulator is proportional to the water pressure. Specification: Condition: 100% brand new Weight: 90g/3.2oz Color: Yellow Voltage: 5V, 12V, 80V (Optional) Maximum output voltage: 80V (1.2mpa) Maximum output current: 220mA (12V) Line to line resistance: 10.5 ± 0.5 Ω Insulation resistance: 10 m Ω (DC100 tramegger) Maximum pressure of closed outlet: 0.6mpa Maximum pressure of open outlet: 1.2mpa Starting water pressure: 0.05mpa Axial clearance: 0.2-1.0mm Mechanical noise: ≤55dB Generator life: ≥3000h Package List: 1 x Micro Generator