45W MagSafe Power Adapter for MacBook Air Features a Magnetic DC Connector that Ensures Your Power Cable will Disconnect if it Experiences Undue Strain and Helps Prevent Fraying or Weakening of the Cables Over Time. In Addition, the Magnetic DC Helps Guide the Plug into the System for a Quick and Secure Connection. Compatible with models A1244, A1374.Compatible with MacBook Air

• MagSafe Power Adapter for MacBook Air - MB283LL/A - AC 100-240 V - 45 Watt Input : 100-240V 50/60Hz, Output : 14.5V 3.1A AC extension cord is NOT provided. (sold separately) Compatible with MacBook Air

MagSafe Power Adapter for MacBook Air - MB283LL/A - AC 100-240 V - 45 Watt Input : 100-240V 50/60Hz, Output : 14.5V 3.1A AC extension cord is NOT provided. (sold separately) Compatible with MacBook AirJ&O