🌟【Newest version 2x2 video wall controller 】:This 2X2 video wall controller,support HDMI or DVI input and 4 HDMI output,the main function is to divide a complete HDMI,DVI HD image signal into 4 blocks and assign to 4 video display units (such as rear projection unit, LCD TV, etc.). Complete with 4 HDMI HD video display units to form a large dynamic image wall 
🌟【8 Adjustable Display Modes】: This 2x2 HDMI video image processor can connect up to 4 LCD TVs or other displays, which can support multiple display modes, such as 2x2, 1x1, 1x2, 1x3, 1x4, 4x1, 3x1, 2x1. All this modes provides variety splicing options, can easily switch the modes through the IR remote control without getting up or press the “Switch” key at the TV wall controller. Also support RS 232 advanced remote-control 
🌟【1080P HD Display Resolution 】Supported input video resolution: 3840x2160P 25/30Hz, 1920x1080P 25/30/50/60Hz; output resolution: ,1920x1080P 25/30/50/60Hz (resolution of each screen Rate); Compliant with HDMI 1.3 and HDCP 1.4 It also has an individual 3.5mm stereo audio port can connect to the external speaker, amplifier, sound bar etc. Please set the resolution of all screens to 1080p to ensure work well. 
🌟【180°Screen Rotation & Edge Mask】: With the rotation function, you can flip the image of HDMI output 1 & output 2 to 180 degree, which can adjust the screens in an orientation with the thinnest edges, reduce the thick middle border. And the edge mask function can correct and align the bezels and image edges, making the multiple screens more comfortable. NOTE: 180°rotation can work only in 2x2 mode, and the output resolutions NOT more than 1080P@60Hz 
🌟【Easy Installation】: Plug and play, no driver needed. With quick heat absorption and dissipation, more durable. Gold-plated interface can reduce data transmission loss and improve signal transmission speed. So this 1080P HDMI video wall controller is the best choice for shopping mall video exhibition, video conference, security monitor and other large screen splicing display.if you have any questions or suggestions.We stand by our products 100% 2 Years Warranty & Lifetime Tech Support