Featuring continuously variable speed, the optimal speed can be adjusted according to actual usage. Small in size, comfortable to operate, suitable for micro engraving operations. The accessories are complete and can basically meet the needs of carving work. Product Description: Color: Black Material: ABS Clamping Range: 0.5-3.2mm Speed Range: 3000-18000 rpm Input Voltage: 100-240V Output Voltage: 12V Rated Power: 13W Applicable Range: Micro engraving, grinding, polishing, cutting, drilling, trimming, cleaning, etc. Product Size: 16 * 2.7 * 2.7cm Packing List: 1 * Electric Grinding Pen Note: Due to differences in display and lighting effects, the actual color of the item may differ slightly from the color shown in the picture. Due to different manual measurements, please allow a measurement deviation of 1-3cm.