Perfect for energy conversion of the water into electrical energy mechanical equipment  Directly used to charge small battery, mobile phone, or power supply for LED lights, etc  Output current: Max. greater than equal 220mA  Line resistance: 10.5+/-0.5ohm  Insulation resistance: 10Mohm (DC100 megohmmeter)  Closed outlet pressure: Max. 0.6Mpa  Opened outlet pressure: Max. 1.2Mpa  Starting water pressure: 0.05Mpa  Axial clearance: 0.2-1.0mm  Mechanical noise: less than equal 55dB  Output characteristics: output voltage without the voltage regulator circuit is proportional to the water pressure  Installation: standard household 1/2 inch water pipe (Outer diameter:20mm, inner diameter:13mm)  voltage: 5V/12V/80V  colour:Transparent + yellow  Material:plastic  size:About 8.8*5.8*3.9cm  Package Contents:  1 * Generator Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.