Transforms 230V alternate current into 3 to 7 volts direct current Small with low energy consumption 6 values of direct current, 3 Volts - 4,5 Volts - 5 Volts - 6 Volts - 6,5 Volts - 7 Volts at 2,5 Amperes maximum includes 8 reversible polarity plugs - Jack 2,5mm- Jack 3,5mm- Jack coax 1,7 x 4,0mm- Jack coax 6.5x4.5- Jack coax 6.3x3.0- Jack coax 4.75x1.7mm - Jack coax bent 5.5x2.5 - Jack coax bent 5.5x2.1mm Dimension of transformer 80 x 45 x 25 mm - weight 200g