Fangrui Product Details Output High Voltage: 12v (1.2mpa) Output Current: 0-150ma Line Resistance :10.5 + 0.5 Insulation Resistance: 10m (dc100) The Outlet Closed The Maximum Voltage: 0.6mpa The Water Outlet Open The Maximum Voltage : Greater Or Equal To 1.2mpa Start Water Pressure :0.05mpa Rate Range: . 2.5-25l/min Size(l X W X H): . 84x49x30mm / 3.3 X 1.93 X 1.26inch Appearance: Generator Cleaning, No , The Structure Is Strong. Axial Space: 0.2 - 1.0mm The Mechanical Noise: Less Than Or Equal To 55db Generator Single Volume: 90g The Life Of Generator: Greater Or Equal To 3000h Output Characteristics: The Output Voltage With No Voltage Regulator Is Proportional To The Water Pressure Note: There Are Two Kinds Of Lithium Batteries On The Market, With A Charging Control Chip, And Without Charging Control Chip. Charging Needs Charging Control Chip, Otherwise Its Easy To Have A Blast. Colour: Black Material: Plastic Package Contents: 1 * Mini Hydro Generator Only The Above Package Content, Other Products Are Not Included. Note: