1、2X2 Video Wall Controller: This 4K 2X2 video wall controller distributes 1 HD multimedia interface input (PC, laptop, computer, set top box, DVD player etc.) to 4 HD multimedia interface outputs (LCD TV, rear projection unit, etc.). Create a gorgeous large video wall and digital signage display for you to enjoy high definition visual effects. 2、4K 30Hz UHD Resolution: The 2x2 video wall controller processor supports 4K 30Hz input and 1080p 60Hz outputs. The premise of high definition is the use of quality HD multimedia interface cables. If the image is blurred, please set the input and output resolution to 1080P. 3、180 Degree Rotation, Edge Masking: Each screen's image can be rotated by 180 degree in 2x2 mode to adjust the border orientation with the thinnest edges of each screen and reduce the screen splicing gap. 4、8 Display Modes: Supports modes for 4 TVs or fewer, such as 2x2, 1x1, 1x2, 1x3, 1x4, 4x1, 3x1, 2x1, to meet different splicing needs and scenarios. It supports 180 degree TV rotation (limited to 2x 2 mode) and flipping of the top row of TVs to minimize the splicing gap for improved aesthetics. LED TV wall controller supports panel buttons and a remote control, each function has very clear buttons, allowing for plug and play without requiring any software. 5、Broad Compatibility: The 2x2 video wall controller is ideal for advertising, entertainment, and information display. It is compatible for DVD, cable TV, and more HD multimedia interface devices. Compatible with a wide range of TV displays for easy setup and plug and play. Item Type: Video Wall Controller 2x2 4K Material: Metal Iron Remote Control Battery Type: Requires 2 AAA Batteries (Not Included) Power Supply: 12V Input Resolution: 4K 30Hz and below Output Resolution: 1920 x 1080P 60Hz 8 Display Modes: 1x1, 2x2, 1x2, 1x3, 1x4, 2x1, 3x1, 4x1 1 x Video Wall Controller 2x2 4K 1 x Remote Control 1 x Adapter 1 x User Manual