Whizzotech VGA Monitor Splitter for Screen Duplication Support 1920 x 1440 Resolution 1 PC to 2 Monitor 1 in 2 out PLUG AND PLAY: You need connect a VGA input device to two VGA output devices, enable two monitors, TVs, displays, projectors, LCDs to share one PC DAISY CHAINABLE: 2-port video splitter - split a VGA signal and boost it up to 210 feet. Daisy chaining these splitters will enable you to chain as many monitors as you want at minimum cost and optimum picture quality WIDELY USE for Large Screen projection system, electrochemistry, commanding and controlling system, multi-media conference room, ticket office, etc. HIGH QULITY & HIGH RESOLUTION: Trouble-free industrial test in 1000 hours. ABS engineering plastic case. The maximal resolution is 1920 x 1440. Support 350 MHz video bandwidth(-3dB) NOTE, ITS ONLY DUPLICATE YOUR SCREEN, you will get two identical screen when you use this device