Only Duplicate Screens in your external monitors-<b>Description:</b><b><br> The CableDeconn 4 in1 Multi-Function Gold-Plated DisplayPort to HDMI/DVI/VGA/Audio adapter is an indispensable companion for your Laptop, PC, and tablet equipped with DisplayPort.<br> Connect your laptop or tablet to an HDTV for HD video (1080p) and audio streaming or to an HD monitor/projector with this adapter and an HDMI/DVI/VGA cable (NOT INCUDLED IN PACK).<br> If the length of HDMI and DVI cable in the same, this CableDeconn 4 in1 adapter maybe Support hook up three monitors at the same time and the three display is the same .<br> That is say this 4 in1 adapter donot support active your monitor with three different display, only support connect and configure your monitor for an Extended Desktop or Mirrored Displays with the same display.<br><br><b> Connection Notes</b><b><br> 1.Input: DisplayPort Male, Not compatible with USB ports<br> 2. - HDMI: Output, 19-pin, Female (Note: A separate HDMI cable is required, not included) - DVI: Output, 25-pin DVI-D (Note:A separate DVI cable is required, not included ) - VGA: Output, 15-pin, Female (Note:A separate VGA cable is required, not included)<br> 3. Can only convert signal from DisplayPort to HDMI/DVI/VGA.<br> 4. Depress the button on the DisplayPort connector to release the latches and avoid damage when unplugging<br><br><b> Color: Black</b><b><br> what's include:</b><b><br> 1 x CableDeconn 4-in-1 Multi-Function Displayport to Hdmi dvi vga Adapter Cable with Audio Output Male to Female Converter.18 Months Worry-Free Guarantee.