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. Please pay attention the image on two external VGA display will be identical. 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 displaysVIDEO RESOLUTION SUPPORT for 800x600 (SVGA) 1024x768 (XGA) 1600x1200 (UXGA) and 1080p for high resolution LCD and LED monitors; Audio must be transmitted separatelySTURDY CONSTRUCTION of VGA mirroring cable supports the weight of 2 VGA cables; Engineered for frequent use and long life and backed by a lifetime warrantyUNIVERSAL VGA COMPATIBILITY with computers and displays; Also known as RGB DB-15 DE-15 HD-15 HDB-15 or D-sub 15