VGA MIRROR CABLE 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 Y-SPLITTER CABLE has a male connector that plugs directly into a computer; Two female VGA sockets on the cable 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 STURDY CONSTRUCTION of VGA mirroring cable supports the weight of 2 VGA cables; Engineered for frequent use and long life and backed by a lifetime warranty UNIVERSAL VGA COMPATIBILITY with computers and displays; Also known as RGB, DB-15, DE-15, HD-15, HDB-15 or D-sub 15