Material: metal Type: Wind Power Generator Mounting Base: Without Mounting Base Motor output voltage: 24V Max output current: 1500mA Speed: 120 RPM (recommend) Max load: 20watts type 1: emergency hand crank type 2: power hand crank type 3: wind generator type 4: generator type 5: hand crank generator type 6: hand generator : generator hand dynamo type 8: motor generator Feature: High . Simple construction with stable performance. Efficient power generation motor, planetary gear transmission, the efficiency is very high. It adapt to make standby lighting power supply, rechargeable, test, teaching, hydroelectric, etc.. Color: silver Size: 130 * 35mm (H * Tail dia) Package included: 1 * generator 1 * hand tool 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.