Lucky Store Surface Pro RT Tablet Windows RT Adapters for Microsoft PRO RT 1512 Tablet 12V 2A 24W Input: 100-240V~0.65A,50/60Hz Output: 12V 2A(Adapter was tested OK by our Surface RT Tablet ) Package include: 1x Microsoft 1512 Ac Adapters Dimension( L x W x H ):66.00 x 45.90 x 28.50mm Weight ( Adapter only ):123g for Microsoft Surface RT Pro 1512 Tablet