1、Application: A high definition image splicing processor specially designed for LCD TVs, ultra narrow LCD screens and projectors. It supports 4 HD Multimedia Interface signal outputs per unit, which can be connected to LCD TVs or other display devices. 2、4K Signal: Can be cascaded to achieve a maximum of 255 signal outputs. Adopts high definition processing chip to support 4K signal input and output. Includes IR remote control and front panel buttons for easy and convenient control. 3、Input Signals: The video wall controller supports 1 VGA, 1 DVI, 1 USB and 1 HD Multimedia Interface inputs at the same time, all input signals can be switched to the big screen for splicing display. Various splicing methods can be customized according to requirements. 4、AV Synchronization: HD Multimedia Interface video wall controller supports sound input and output, and supports synchronized output of sound and corresponding video. Support any splicing screen and 180° flip. 5、With USB Port: This video wall processor supports USB access, you can directly decode video, images, play MP3 players, documents, etc, by inserting a USB flash drive, no need to configure other front end devices, simple and practical. 6、Remote Control Operation: Infrared remote control can complete all the functions of the TV wall splicing processor setting, switching and adjusting; with ultra sensitive design, the remote control distance is up to 5‑10m/16.4‑32.8ft. Item Type: Video Wall Controller Material: Aluminum Alloy Input Signal: VGA: HD15 Connector and Link with 1 3.5 Sound Jack; Supports 640 x 480 85HZ to 1920 x 1200 60Hz HD Multimedia Interface: HD Multimedia Interface 1.4 (HDCP 1.4) DVI 1.0, HD Multimedia Interface Embedded Sound, Supports 3840 x 2160 30Hz DVI: DVI I Interface (24 Plus 5), Maximum Resolution Support 3840 x 2160 30Hz Video: Automatic Recognition of NTSC, PAL and SECAM, Connected to 1 3.5 Sound Interface USB: 2.0 standard interface, can be inserted into the U disk, embedded sound; support for video, images, MP3, MP4, TXT Output Signal: HD Multimedia Interface Interface: 4 HD Multimedia Interface Outputs, Support 2x2, 1x1, 1x2, 1x3, 1x4, 4x1, 3x1, 2x1 Combined Mode; Support Customized 2 to 25 Output Signals; 3840 x 2160 30Hz, 1920 x 1080P 60Hz, 1280 x 720 60Hz; Video: 3.5 Sound Interface, Support for Left and Right Channel and Stereo, Synchronous Switching AV Signal Splicing Ratio: Simple Four Piece Splicing, Input Signal Support 90° 180° 270° Full Screen Rotation (Resolution 1920x1080p Or Below), The Output Screen Support 180° Mirror, Flip Control Node: IR, Case Key Remote Control Battery Specifications: 1 x CR2025 (Not Included) 1 x Video Wall Controller 1 x Remote Control 3 x Screws 2 x Brackets 1 x User Manual 1 x Power Cord