Has 4 channels for saving voltage settings
Ideal for all RCA tattoo machines
Operation Voltage : 4-12V
Battery Capacity: 1500mAh
Dimension: 30mm X 49mm
Battery Life: 7-11 hours depends on Voltage and Cartridges
Recharging Time: 2-4 hours depending on USB-C charger and USB-C cord
USB Charging cable included