4-Port VGA / Video Splitter / Multiplier, Resolution up to 2048 x 1536 bandwidth 400Mhz . Display one PC to four monitors at the same time Supports SVGA,VGA and Multi-sync. Resolution up to 2048 x 1536 bandwidth 400Mhz Works with all operating systems.. , No driver required. Data transmission distance: up to 328 ft, ( 100 m ).