Features: 1.Intricately carved, can be used for grinding, polishing, engraving, rust removal, drilling and cutting. 2.Light and compact, can complete various tasks with one hand, comfortable to grip. 3.High?quality copper wire motor, high temperature resistance, sufficient power, to meet all kinds of work needs. 4.Self?tightening drill chuck, precise concentricity, precise chuck, no drill drop, easy operation, bid farewell to frequent drill chuck replacement. 5.Intelligent control circuit board, overheating and overload protection function, high safety, greatly reducing failure rate. 6.5?gear power adjustment, meet the needs of different operations. 7.Four intelligent protection functions: over current protection, over voltage protection, over temperature protection, charge and discharge protection. specification:Condition: 100% Brand New Item Type: Electric Grinding Machine Type: Charging Speed Regulation Type Material: Plastic + Metal Color: Black Plug Type: US Plug Voltage: 100-240V Built-In Battery: Lithium Battery 18650, 2000mah Function: Electric grinder, small hand-held grinder, jades electric grinder, cutting machine, engraving tool, miniature electric drill Product Installation Steps: 1. Hold down the anti-rotation pin and unscrew the chuck nut 2. Put in a suitable chuck and turn back the chuck nut 3. Then insert the head to be installed 4. Hold down the anti-rotation pin and tighten the chuck nut PackageList: 1 x Electric Grinding Machine 1 x Plug