... certification 3. one year warranty 1. The appearance design of the patent, streamlined fuselage, carry the putting type control panel, easy to ... at a high speed, the curve is smooth and more evasive. 3. Softwae has the capacity to adjust the cutting precision to solve ... 4. Improve shock attenuation and subdue the sound device, reduce the noise further, but the power of the motor is not reduced. 5. ...