10-turn potentiometer for super fine adjustment.  Solid state technology for smoothest current with minimum ripple. The Digital Power Supply has a four digit LCD screen that displays machine speed, machine voltage, back spring pressure, and number of misfires. The power supply has a black, plastic frame and measures 6” long, 4 1/4” wide, and 2 1/4” tall. It also has an automatic adjusting input voltage, so it can work with both 110V or 220V. The Digital Power Supply can be used all over the world and with any phono clip cord or foot pedal. 

Specifications:

Foot Switch and Clip Cord Included
90 Warrranty on this item.