Wireless Tattoo Power Supply, USB C Rechargeable 1500mAh Battery Pack with LED Digital Display, RCA Rotary Machine Pen Supply for Machine(Type 2)

Adjustable Voltage: The tattoo power supply has an adjustable voltage of 3‑12V, and the adjustment voltage accuracy is 0.1V, which can meet the speed requirements of tattooists. LED: The tattoo pen battery set has a large LED digItal display screen, which makes the voltage output display more accurate, which is very convenient and practical. Lightweight And Compact: The tattoo power supply kit is light and compact, allowing the power supply and your tattoo pen to be integrated into one, and operate freely. RCA: The interface of the tattoo power supply is a standard RCA interface, which is suitable for most tattoo machines with RCA interface. It is tightly closed and not easy to fall off. Large Capacity Battery: The tattoo power supply has a built in 1500mAh large capacity battery, which can continue to work for about 7 hours when fully charged and 5V working voltage. For large area tattoos, the 2 power sources can be used alternately.