Has a screen
Regulate voltage：5-12V （precision:0.5V）
Working hour: 8 hours+ (at 8V)
Speed: 9V 12000RPM
With memory function
It's a removable battery design tattoo pen, can work alone without tattoo power supply and foot switch, also can change to RCA mode to use with normal power supply.
Core-less motor inside, strong power low heat, easilly to drive large size needles.
1800mAh battery, it can work continuously for more than 8 hours after a full chagrge. Fast charging function can be fully charged in 1.5 hours.
Standard design, Compatible with all standard cartridge needles.