45W power adapter. Brand new in sealed box. Easily recharges the lithium-polymer battery in your MacBook Air when the system is on, off or in sleep mode. Magnetic DC connector provides a quick and secure connection, easily disconnects when experiencing strain and helps prevent the cable from fraying or weakening. LED indicator light displays charge status. Travel-friendly design, DC cable neatly wraps around the adapter for easy portability. AC wall adapter, Makes powering your laptop while on the go simple. What's in the box? Apple 45W MagSafe 2 Power Adapter with Magnetic DC Connector, AC wall adapter, AC cord Pet and smoke free home--thanks for looking