Belkin Display Port to 2x DVI Splitter Dongle, Not Compatible with Microsoft Surface Pro 3, Mac OS 10.8 or newer versions (F2CD069) Extends a Display Port equipped desktop/laptop to 2 DVI display monitors Supports Video Resolutions up to 1920x1200 No Drivers needed, plug & play simplicity No external power adapter needed Works on monitors 22 inches or smaller Extends a Mini Display Port equipped desktop/laptop/MacBook to 2 HDMI display monitors. This product is not compatible with Microsoft Surface Pro 3, Mac OS 10.8 or newer versions. The Splitter Dongle will only mirror both screen monitors if used with incompatible devices