Belkin HDMI to 2X DVI Splitter Dongle (F2CD067), Not Compatible with Surface Pro 3 Tablets & Pro 3 Docks, MacBook Air 10.8 or Newer Versions Extends a HDMI equipped desktop/laptop/MacBook to 2 DVI display monitors Supports Video Resolutions up to 1920x1200 No Drivers needed, plug & play simplicity No external power adapter needed Less costs than a docking station Works on monitors 22 inches or smaller Not compatible with the following devices: Microsoft Surface Pro 3 tablets & Pro 3 docks, MacBook Air 10.8 or newer versions Extends a Mini Display Port equipped desktop/laptop/MacBook to 2 HDMI display monitors. This product is not compatible with Microsoft Surface Pro 3, MacBook Air 10.8 or newer versions. The Splitter Dongle will only mirror both screen monitors if used with incompatible devices