Universal AC/DC Adapter Converter with AC input of 110V-240V and 50/60 Hz for Worldwide UseChanges AC to DC current so that Battery operated equipment can be plugged into any electrical outlet. Replaces battery power with standard household current for battery operated products such as Radios, Calculators, Hand-held electronic games, Toys etc. Comes with multiple DC Output Selection(1.5, 3, 4.5, 6, 7.5, 9 and 12 Volts).There is a DC Voltage selector switch. Multiple Output Tips - pin Sizes 2.5mm, 3.5mm, 3.5x1.35mm, 5.0x2.1mm,and 5.5x2.5mm Changeable PolarityTHIS CONVERTER HAS A FIXED OUTPUT OF 1000mA OR 18 Watt.Easy setup