Sciencetech's 500-300 power supply is designed to drive short xenon, and mercury-xenon arc lamps operating between 100W and 300W. Highly stable DC current output Displays the Current, Voltage and Power of the lamp Output Current Adjustable (5 to 20A) Switching power supply; low noise (80% Input Voltage: 115VAC 240VAC Input Current: 2A1A Input Frequency: 60Hz50Hz Dimensions (L x W x H): 16.5" x 13" x 3.5" (42cm x 33cm x 9cm) Weight: 7.5 kg (16.5 lbs)