[Product Specifications]Input: 100-240V 50/60Hz, Output: 19.5V 16.9A, Max Output Power:330W, Color: Black, Plug Size: 7.4*5.0mm(Ref to the picture), Power Plug Type: US Plug..[Compatible with Model]Dell Alienware 17 Area-51m P38E001..[Warranty] 30 Days Money Back Guarantee and 12-months worry-free warranty,Overvoltagen Protection, Overtemperature Protection, Shortcircuit Protection and Overcurrent Protection..[Package includes]1 x AC Adapter & 1 x US Power Cord