VGA DUAL MONITOR adapter sends an identical VGA signal to two separate VGA displays; Reliably transmits an identical signal to two separate monitors; VGA cables (sold separately) are required DUPLICATOR VGA splitter dual monitor has a male connector that plugs directly into a computer; Two female VGA sockets on the VGA splitter cord connect to the VGA cables of two separate displays VIDEO RESOLUTION SUPPORT for 800x600 (SVGA), 1024x768 (XGA), 1600x1200 (UXGA), and 1080p for high resolution LCD and LED monitors; Audio must be transmitted separately