[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]Acer Predator Helios 500 PH517-61 PH517-61-R0GX PH517-61-R0KH PH517-61-R1DQ PH517-61-R22G PH517-61-R2LQ PH517-61-R2NA PH517-61-R3R9 PH517-61-R3RW PH517-61-R3YU PH517-61-R41A PH517-61-R54R PH517-61-R65G PH517-61-R6AA PH517-61-R6UE PH517-61-R7AM PH517-61-R7ML PH517-61-R88M..[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