4V Apply to wood, glass, jewelry and metal, create interesting DIY and handicrafts. | 12V Ideal for removing swirls, scratches, and defects from painted vehicles | 20V 4 Types of Head,can be used as a grass trimmer,grass sweeper |
2.0Ah Li-Ion battery provides multiple speeds, from 6000 to 19,000/ min | 2*2.0Ah Li-Ion battery Two speed settings: low speed 0-2600 RPM, high speed 0-7800 RPM, | 2.0Ah Li-Ion battery rotary speed from 3000rpm to 10000rpm more faster |