DVI Switch Box, 2 in 1 out DVI Selector for Laptop DVR DVI Port Devices, Support 1920x1440 DVI Switch 2 in 1 out: This DVI adapter has 3 DVI ports. 2 ways input and 1 way output allows 2 digital devices (such as DVD player, computer) display on a single DVI display device. No need to unplug and plug in wires when changing from different devices. Friendly Design: Quick and easy switching via front panel pushbuttons or IR remote control or RS232. If one DVI source is powered off, the DVI switch box will automatically switch to the next powered-on source. Easy to install, just plug and play. High Resolution: The DVI splitter has superior video quality, support HDTV high resolution 1920x1440. Perfect Picture Quality: The DVI24+5 Female Port support UXGA, and the bandwidth is up to 165MHz. Widely Used: The DVI switchers are popular in multimedia teaching, video conference, console, ticketing platform etc.