【2x2 Large Screen Video Wall】This video wall controller supports 1 HDMI or 1 DVI input (such as from a PC, laptop, DVD, etc.) and 4 HDMI outputs. The video wall processor can divide a full HDMI high-definition image signal into 4 blocks for distribution to 4 video display units, such as rear projection units, LCD TVs, etc. | 【8 Display Modes】Multiple splicing modes, including 2x2, 1x2, 1x3, 1x4, 2x1, 3x1, and 4x1, meet different splicing needs. It plays a crucial role in commercial video displays and security fields. In addition, it supports advanced RS232 remote control. | 【180° Screen Rotation and Edge Masking】If using a high-definition TV as a screen, it allows you to rotate the screen 180°. Excitingly, you can install the TV in the direction with the thinnest edge. However, your input device must be 1080P@60Hz. Note: 180° rotation can only be used in 2x2 mode. | 【1080P HD Display Resolution】Both HDMI inputs and outputs support displays up to 1920*1080P@60Hz. It also has a separate 3.5mm stereo audio port that can be connected to external speakers, amplifiers, soundbars, etc. Please set the resolution of all screens to 1080p to ensure normal operation. | 【High-Quality Material】Made with alloy process materials, anti-interference and corrosion-resistant, ensuring excellent heat dissipation and a longer service life. | 【Easy Setup and Operatio】Plug-and-play design, no need for drivers. This video wall controller comes with a remote control (excluding battery) for easy operation. You can also adjust it directly by pressing the buttons on the controller. One-year warranty and worry-free after-sales service.