General description Compact and efficient, the 2X 12V Regulated DC Micro-Type Hydro Generator is designed for harnessing water flow and air pressure to generate electricity. With a clean appearance and robust structure, this small generator is ideal for various DIY projects. Technical specifications Output voltage: Proportional to the pressure of the water flow Mechanical noise: Less than 55 dB Generator volume: Approximately 90g Axial range: 0.2-1.0 mm Material: Plastic Color: Yellow Other information Package Contents: 2 * Dynamo Note: Light reflection and different displays may cause the color of the item to differ slightly from the actual product. The measurement allowed error is +/- 1-3 cm.