HDMI to VGA converter allows for a connection to VGA monitors and projectors supporting a maximum resolution, Connecting your new notebook,laptop, HD DVD, HD DV without VGA interface to projector,display,LCD,TV and monitor in old model with VGA interface for big screen viewing . plug-in-out, external power,power from HDMI connecting device (2.0or 3.0) for maximum power and perfomannce.