The Mini DisplayPort to VGA adapter lets you connect a VGA monitor or projector to a Mac or Ultrabook equipped with a Mini DisplayPort connector | Will work with Mini DisplayPort or Thunderbolt ports on Apple equipment | Suitable for Ultrabooks equipped with a Mini DisplayPort connector | 1 x 20 Pin Mini DisplayPort Male | 1 x HD 15 Pin VGA Female | Use an external display in either extended desktop mode or mirrored desktop mode | Supports full HD resolution up to 1920 x 1200 | Corrosion-resistant connectors designed for maximum conductivity and low signal loss | Suitable for all current models of MacBook, MacBook Pro, MacBook Air, iMac, Mac mini and Mac Pro