New 2 Gen. Aurora II Dual Machines Tattoo Power Supply, Compatible with all coil and rotary tattoo machines, User-friendly Easy voltage adjustment, and change voltage, Two foot pedal modes - maintained or momentary, 1/4" mono jack inputs for standard clip cord and foot pedal (foot pedal not required to run the machine), CNC-machined anodized aluminum housing, Built-in magnets and silicone grips allow for use on a variety surfaces, LED display Voltage and Illumination color indicates voltage display, Dual machine power supply, Dimensions: 1 3/4 diameter,