This product is a hand-operated pulse generator (hand-held electronic handwheel) used in conjunction with CNC machine tools. It has been widely used in CNC milling machines, CNC lathes, machining centers, CNC engraving and milling machines and other fields.
1 x USB Killer V3. Doing so may cause the product to malfunction. – Do not heat or throw the unit into a fire, as this may result in fire or accidental injury. Usually it costs about 30USD-50USD.