●Voltage: 10.8V ●Battery capacity: 2.0AH LI-ION battery pack ●Wheel size: 75mm ●No load speed: 1000-3000rpm ●1H fast charger ●Accessories: 1pc woolen boonet/ 1pc towel bonnet 1pc spongy bonnet/ 1pc sanding paper / 1pc polisher pad ideal for various polishing applications variable speed dial for intricate operations spindle lock for quick and easy change of polishing pads with constant speed The PCB board is on the machine PCB built in the tool