The original Lauro Paolini Digital Tattoo Power Supply 

New 25 amp digital power.
Voltage adjustable from 3 to 16 volts.
Liquid crystal display on two lines which appear the following information:

• Instant Power
• Amps absorbed
• The speed of the machine (duty cycle)
• The three operational phases (line / shader / free) can be easily selected with the SEL can be easily protected with transparent film. Built in ABS.
• Wall and table mounts available