Manufactured in a fire retardant ABS case. Lightweight. Designed for long hours of use. Overload protection cut off ensures long life of the unit. Voltage output settings x6 (3V, 4.5V, 6V, 7.5V, 9V & 12V DC). Current 3 Amp Max. Output voltage selectable with the help of a rotary switch provided on the front panel. Operates on input voltage 220V - 240VAC, 50/60 Hz. Dimensions: 13.6 x 12.8 x 8.5cm. Weight 632g.