tattoo supply 100 240V input 2A/15VDC output State of the art design features a super smooth & stable output of 15 volts @ 2 amps, 10 turn potentiometer for fine adjustments, (2) 1 phono jacks, power on/off lamp, onboard transformer, 110 volt input (240 volt input available), dimensions= H 2x W 3.5 x D 5, Material:stainless steel cover