Rated power: 350W Rated voltage: 36V 48V Speed: 12~35KM / H Speed / RPM: 250~1000RPM Diameter: 275mm Open size: 140mm Motor weight: 3.5KG -4KG Load weight: 150 -200KG Motor type: 12-inch brushless gearless hub motor Brake: electronic brake, disc brake Waterproof rating: IP54 Uses: electric scooter, folding electric car, electric bicycle, electric motorcycle, electric bicycle, front and rear drive.