1. 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; HD output connect the HD devices using a HD cable; VGA output connect the VGA devices using a VGA cable. 2. Support Mini Display Port 1.1 a Dual-mode input. The HD can support audio output for iMac (Late 2009) and Mac Book Pro (Mid 2010) 3. Support HD/DVI/VGA output with the max resolution of 1920x1080p60Hz 225MHz/ 2.25G bps per channel ( 6.75G bps all channel) 12bit per channel (36bit all channel) deep color. 4. Automatic detect the display by plugging and unplugging it. Powered from Mini Display Port source. 5.100 % Brand New Plug and Play. Connect your New Gerneration for Macbooks for Macbook Pro for Macbook air to you display device with HDMI-compatible / DVI/ Displaypor interface.