Use parameters: Input voltage: 110V/220V Speed: 0--30000rpm Stepless speed regulation Power: 12W Color:silver Application: it can be used for hair follicle extraction, hair planting, planting eyebrow and planting beard.. Scope: This product is simple to operate and has a wide range of applications. Hair follicle extractor Operation method: 1. Input voltage range (110V-220v) 2. Insert the needle with a mechanical clamping device, rotate the handle in the left and right direction and turn the sleeve to insert the grinding head 3 hand using ventilation structure, durable use does not heat 4. Insert the pen and foot switch on the front of the machine 5. The front of the machine can adjust the speed. Forward and reverse rotation and foot switch, the right side of the black switch switch positive and negative Packing list: 1* follicle extractor Host 1*pedal 1*power cord 1*placement rack 1*The handle 5* FUE Punch needle