Tattoo Power Supply Hurricane HP-2 Unit Supply (black)Advanced digital microprocessor controlled unit. Easily bagged with typical machine or bottle baggies Choice of voltage increments: . 1v, . 2v, . 5v ; Precision regulated voltage output 0 18v ; 2. 3 amp Overload protection built in. Liner and shader preset with 2 machine and 4 machine memory modes; Stopwatch feature to monitor time in the session. Smart pedal technology: Continuous mode (push on and off) or conventional pedal function. Non volatile