Charger Features: LED Light Status Info, An amber light lets you know that your notebook is charging, while a green light tells you that you have full charge. Features a Built-in heat sink dissipates heat and Prevent overheating, SC - short circuit, IO - internal overheating. CE/FCC/RoHS certified. 60W Mac Book Pro Charger: Input: AC 100-240V, 1.5A 50-60Hz ; Output: DC 16.5V - 3.65 A 60W Compatible model: Mac Book Pro (13-inch, Mid 2012), Mac Book Pro (13-inch, Late 2011), Mac Book Pro (13-inch, Early 2011), Mac Book Pro (13-inch, Mid 2010), Mac Book pro(13-inch, Mid 2010), Mac Book pro(13-inch, Late 2009), Fits A1344, A1330, A1342, A1278, A1185, A1184, A1181.