Check the listing for details. Magnet Synchronous Generator AC/DC Dual Use Permanent Magnet Generator 1000W. Color: Silver, Condition: New. Listed at 99.99 USD. Specification Shell Material: Aluminum Internal Winding Material: Copper Color: Silver Process: Immersion Painting Style: Modern Assembly Required: No Motor Type: Permanent Magnet Generator Voltage: 12V-14V Power: 1000W Speed: 4500rpm Bottom Length: 10.7cm/4.21in Two Bottom Legs Spacing: 7.3cm/2.87in A-wheel Diameter: 7cm/2.76in Hole Center Distance: 16.5cm/6.5in Product Size(L*H): 20.5*11.5cm/8.07*4.53in Package Size: 24*24*17cm/9.45*9.45*6.69in Gross Weight: 2.79kg/6.15 lbs Net Weight: 2.65kg/5.84 lbs Package Included 1* Permanent Magnet Alternator Notes Please check the size carefully before ordering. Please allow the slight color difference caused by the shooting light and the 1-3 cm error due to manual measurement, and make sure you do not mind before.