DC /RCA Wireless Power Supply Mini Tattoo Machine Pen

Tattoo Battery Pack Power Supply

Size & Weight: 2.3*3*6.2cm, 58 grams

Voltage: 4~11 V

Battery life: 2~3 hours under 6~8 V

LED voltage display

Press and hold the button to turn on/off

Press once to check the remaining battery

Voltage resolution: 0.3V.

Press + or - each time, the volts go up or down 0.3V each time.