Micro hydro generator， the potential energy conversion of the water into electrical energy mechanical equipment. Can be directly to the small battery charge，Can charge mobile phone，Can fit for the led shower head， inductive sanitary ware etc Specification: Output high voltage: 0-20V AC (1.2Mpa)The maximum output : ≥150mALine resistance :10.5 + 0.5ΩInsulation resistance: 10MΩ (DC100)The outlet closed the maximum voltage: 0.6MpaThe water outlet open the maximum voltage : ≥1.2MpaStart water pressure :0.05MpaFlow rate range: Approx. 2.5-25L/minSize(L*W*H): Approx. 84*49*30mm / 3.3*1.93*1.26inchFeatures: Appearance: generator surface cleaning， no corrosion， the structure is strong.Axial gap: 0.2 - 1.0mmThe mechanical noise: ≤55dBGenerator single volume: 90gThe life of generator: ≥ 3000hOutput characteristics: the output voltage with no voltage regulator is proportional to the water pressureColor: BlackNote: There are two kinds of lithium batteries on the market， with a charging control chip， and without charging control chip. Lithium battery charging needs charging control chip， otherwise it's easy to have a blast.Package Included:1 x Micro Hydro Generator