【2x2 Video Wall Controller】The 4K 2X2 video wall controller, support 1-way HDMI or DVI input and 4 HDMI output, Supports 5.1CH audio output over optical fibers, and supports RS232. The main function is to divide a complete HDMI, DVI HD image singal into 4 blocks and assign to 4 video display unit (such as rear projection unit, LCD TV, etc.). Complete with 4 HDMI high-definition video display units to form a large dynamic image screen. | 【 HD Display】Input support HDMI 1.4, HDCP 1.4. Input support 1920x1080P@ 25/ 30/ 50/ 60Hz, 3840x2160P@24/ 30HZ. Output support 1920x1080P@ 60HZ. Input format: RGB/YUV24bit; Output format: RGB444 24bit. Supports 5.1CH audio output over optical fibers. It restores the original appearance of the image and presents a natural and complete picture without missing any details, with realistic and clear colors. | 【180° Screen Rotation】Support 180° screen rotation function, ( Please notice rotation works ONLY in 2×2 mode & the input and output devices need to be no more than 1080P@60HZ ) allowing you to install displays in an orientation that has the thinnest edges. Edge masking function helps you to create a seamless large video wall. | 【8 Splicing Modes】Multiple splicing mode: 2x2, 1x1, 1x2, 1x3, 1x4, 2x1, 3x1, 4x1 satisfy diverse splicing needs. Made of metal material, anti-interference & corrosion resistance, ensures excellent heat dissipation performance and long service life. Gold-plated interface effectively reduces data transmission loss and improves signal transmission efficiency, no delay is displayed. | 【Easy to set up & operate】Plug & Play design, No driver needed. This video wall controller comes with a remote control (The remote control does not come with a battery when itis delivered, Please buy a pair of No.7 batteries for the first time), for easy operation. You can also push buttons on the controller directly to make adjustment. | 【What You Get】1 x 4K 2X2 video wall controller, 1 x Infrared remote control, 1 x 5V/2A power adapter, 1 x User Manual. Groza ensures long-time satisfaction of your purchase; Friendly and easy-to-reach customer service to solve your problems timely. If you have any problems, Please contact us we will slove immediately in 24 hours.