1、8 Display Modes: Supports 2x2,1x1,1x2,1x3,1x4,2x1,3x1,4x1, providing diverse display options. Plug and play, no driver installation required. 2、Easy to Operate: Support 1 HD Multimedia Interface or DVI input and 4 HD Multimedia Interface output signals to connect four LCD TVs or other display devices, such as projectors, DLP, plasma and other display units. 3、Resolution: Input complies with HD Multimedia Interface 1.4 and HDCP 1.4, input video resolution is 8K 30hz, 4K 60hz, 4K 30hz, backward compatible; output resolution is 4K 30hz, 1080P 60hz, 1080P 30hz, backward compatible. 4、Supported Formats: Supported sound format L PCM2.0, not supported for Dolby Digital and DTS. sound will not be delivered to the display, external sound system, if sound output is required, speakers, bar speakers are required. 5、Unique Design: Supports 180 degree rotation for each screen, when in 2x2 mode, invert the TVS and use the rotation function, which adjusts the orientation of the screen to the thinnest edge and reduces the thick center bezel. Edge masking reduces the space between each screen. Item Type: Video Wall Controller Material: Aluminum Alloy Output Resolution: Support 4K 30hz, 1080P 60hz, 1080P 30hz Sound Format: L PCM2.0 Video Format: RGB, YCbCr4:4:4, YCbCr4:2:2 Maximum Transmission Rate: 32Gbps Maximum Operating Current: 1.3A Operating Temperature Range: 0~45℃ 1 x Video Wall Controller 1 x Power Adapter 1 x Instruction Manual