The Rocstor DisplayPort to VGA adapter lets you to take video content from your laptop or desktop and display it on any monitor, projector or HDTV featuring a VGA input. This premium adapter supports a maximum video resolution of 1920 x 1200 and ensures a quality viewing experience. The adapter can be used to enjoy movies on a home projector, mirror your desktop for an expanded workstation or show presentations at school or work. The adapter is compliant with DisplayPort specification version 1.1a, ensuring true DisplayPort quality when video content is adapted and viewed. DisplayPort 1.1a specifications allow there to be a longer reach between source and display without reducing picture quality..