Specification: Input 100-240V, 50-60Hz. Output 20V 7.5A 150W Max. [Do not buy if your laptop more than 150W] Tip size: 6.0x3.7mm Compatible: Fit for ASUS ROG G531GT G731GT FX505GT FX705GT FX505DD FX505DT FX505DU FX705DD FX705DT FX705DU Safety & Warranty: 100% compatibility With the Original,and include numerous safety mechanisms, including protection against short-circuiting, overvoltage, overcurrent, and internal overheating. Customer Service: 24 x 7 email support. If you have any doubts, please feel free to contact with us. Package Include: Charger x 1, Ac power cable x 1