Product Overview: The Apple 45W MagSafe 2 Power Adapter is specifically designed for MacBook Air models released between 2012 and 2017. Key Features ‣ Ensures the power cable disconnects safely under strain, preventing wear and tear. ‣ An LED located at the head of the DC connector lights up; an amber light lets you know that your notebook is charging, while a green light tells you that you have a full charge. ‣ The adapter is designed to be the perfect traveling companion, with a clever design that allows the DC cable to be wound neatly around itself for easy cable storage. Technical Specifications ‣ Model Number: MD592 ‣ Power: 45W ‣ Connector Type: MagSafe 2