Digital power supply 2.5 amps. Voltage adjustable from 3 to 16 volts. LCD display on two lines which appear the following information: - Instantaneous voltage - Full load Amp - The speed of the machine (duty cycle) - The three operational phases (line / shader / free) can be easily selected with the SEL key can be easily protected with transparent film. Built in ABS. Weight 220gr. Size: 9x12x3 cm.