5 15v universal power supply for power supply of many small electrical devices voltage stabilised short circuit proof the delivery package includes different output plugs which can be connected to the output line in the desired polarity the power supply can be used worldwide thanks to the electronic switched power supply 100 240v ac by means of a rotary switch the following output voltages can be set 5v 6v 75v 9v 12v 135v 15v dc maximum output current 2250ma at 5 12v 18