... .5A 47-63HZ,output DC 12,15,16,18,19,20,22,24V 100watt max, with Overload protection ,Over voltage protection ,Short Circuit ... protection , power supply by mains supply.Function 2:Car adapter ... . Specifications:Power Output: 12/15/16/18/19/20/22/24VCurrent Output: DC12/15/16/18/19/20V 5.5A 22/24V/ 4 ...