Astrotek 3 in1 Thunderbolt Mini DP Display Port to HDMI DVI VGA Adapter Cable for MacBook Air/Pro 32AWG OD5.0MM, Gold plated, White, RoHS
The ASTROTEK Mini DisplayPort to HDMI, VGA, or DVI adapter allows you to connect a Mini DisplayPort equipped laptop or tablet to a projector, monitor, or HDTV with an HDMI, VGA, or DVI input port.This compact all-in-one converter is an ideal solution for use in schools, conference rooms, or other work spaces that may utilize assorted displays with varying inputs in multiple rooms throughout a building. 
• Convert Mini DisplayPort to HDMI, VGA, or DVI
• Support resolutions up to:
  VGA — 1920 x1080 at 60Hz
  DVI — 1920 x1080 at 60Hz
  HDMI — 1920 x1080 at 60Hz
• 3 Ports can not work at the same time