small (ie very or too short!) cable enables dual display what you want from the output of your PC. perfect for demonstrations that bring many people around your pc. StarTech.com the VGASPL1VV Splitter Cable Video VGA to 30 cm 2xVGA M / F is a very convenient product that seems solid and well made, to manipulate one feels that the utensil has been designed with care and it will last in time.