This product with three output ports, and you can choose one of them to use at a time as you demand, the functions of the port as followings: DVI output, connect the DVI devices using a DVI cable. HDMI output, connect the HDMI devices using a HDMI cable. VGA output, connect the VGA devices using a VGA cable.
Mini Display Port, connect For Mac Book, For Mac Book Pro,For Mac Book Air.
Support Mini Display Port 1.1a Dual-mode input.
The HDMI can support audio output for iMac (Late 2009) and Mac Book Pro (Mid 2010)
Support HDMI/DVI/VGA output with the max resolution of 1920x1080p@60Hz, 225MHz/2.25Gbps per channel (6.75Gbps all channel), 12bit per channel (36bit all channel) deep color.
Automatic detect the display by plugging and unplugging it.