1POWERFUL OUTPUT: Digital tattoo transformer is easy to install, stable performance, strong power output, and light up display when working. 2EASY TO OPERATE: Professional tattoo power regulator is simple and easy to operate, turn the button to adjust the voltage. 3WORKING VOLTAGE 57V: Tattoo power supply is compatible with all coils and rotary tattoo machines and is commonly used with voltages ranging from 57V. 4STAINLESS STEEL: Tattoo power regulator transformer is made of stainless steel, slippy body, built in converter universal. 5IDEAL TOOL: Tattoo power regulator is the ideal tattooing tool for tattoo artists.Voltage up to 18V can be adjusted at will. 6STABLE POWER SUPPLY: Mini and compact, easy to carry and store. The hook and line foot pedal jack is clearly separated and the power supply is stable.