Size: 6.4in (162mm)
Diameter of grip: 1.1in (28mm)
Net weight: 225g
Battery: 1800mAh
Working time: 5-6 hours (7-8V)
Charging time: 1.5-2 hours
Needle stroke adjustment: 0-3.8mm
Removable battery design
Screen can show: Battery, Voltage, Working time.
Long press "0" button 3-5 seconds to turn on, short press to pause and restart.
Press "+" and "-" button to adjust Voltage, each press can adjust 0.5V.