The CABLEDECONN FBA_E0309 is an active DVI-D to VGA adapter that allows you to connect a computer or video graphics card with a DVI-D output to a monitor or projector with a VGA input. It supports resolutions up to 1920x1080 and refresh rates up to 60Hz, making it suitable for use with high-definition displays. The adapter is compatible with both PCs and Macs, and it does not require any external power or drivers. Simply connect the adapter to your computer and monitor, and you're ready to go.