Product Name : wireless battery pen machine
Battery Capacity: 2000 mAh
Recharging Time: 2 Hours
Powerpack Working time: 6-8 hours
Output Voltage: 5V - 12V
Stroke Length: 3.5 mm
Needle protrusion: 0-4.5 mm
Suggest voltage for lining: 7.5V - 9V
Suggest voltage for shading: 6V-8V
Rotating speed: 8000-10000RPM
USD