New hand generator supply and high quality Simple construction, easy operation. Efficient generation engine, planetary transmission, high efficiency. It adapts to make standby, rechargeable, test, teaching, hydroelectric supply, etc. Output voltage: 5V-24V Type: Wind Generator Maximum output current: 1500mA Maximum load : 20 W Color: black and silver Dimensions (approx.) 130 * 35mm / 51 * 14 inches Material: Metal, plastic Package Contents: 1 * Hand Generator 1 * Bubble bag Only the above package content, other products are not included. Note: Light 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.