TROMEE Wireless Tattoo Power Supply 4.2V-12V with Adjustable Digital Display 1400mAh RCA Interface for Mini Rocket Tattoo Pen Battery

Adjustable: 5 to 12V adjustable , adjustable uracy of 0.1V, to meet the needs of the tattoo artist to operate different parts of the speed.Interfaces: Tattoo power supply using standard interfaces, suitable for most tattoo machine, the closure is tight, not easy to fall.Long Lasting: Built in 1400mAh high capacity battery, fully charged state, can work continuously for 4-8 hours.Lcd Display: Power supply is equipped with an LCD display that shows the , remaining power, easy to observe and operate the tattoo artist.Lightweight: Lightweight and compact allows the power supply and your tattoo pen to blend into one, omitting the power cord for easy operation.