HDMI Matrix Video Wall Controller HDMI/DVI Input 1080P 60Hz Multi Screen Stitching Processor Splicer 3x1/1x2/2x2/1x3/2x1/1x4/4x1 Item name: HDMI 2x2 Video Wall Controller Output interface: HDMI*4 Input interface: HDMI*1; DVI*1 Input Resolution: up to 1080P/60Hz HDMI resolution: up to 1920x1080/60Hz Audio format: Stereo Input cable length: ? 5m/16.4ft AWG26 HDMI standard cable Output cable length: ? 5m/16.4ft AWG26 HDMI standard cable Maximum operating current: 300mA Power adapter specifications: input AC (50HZ, 60HZ) 100V-240V; output: DC12V/1A Operating temperature range: 0-45? Dimensions: 121 x 119 x 19mm/4.8 x 4.7 x 0.7"" (LxWxH) Net weight: 228G/0.5LB Support HDMI and DVI input. Support 4 HDMI output. Output support RGB 4:4:4. Support input resolution 1080P/1080i/720P/576P/576i/480P. Support output resolution 1080P/1080i/720P/576P/576i/480P. Support RS232 control. Support splicing modes: 3x1/1x2/2x2/1x3/2x1/1x4/4x1. Easy operation. Just plug and play. Support 2x2 automatic splicing function. 1080P at 60Hz. High-performance chip: provide a better experience and avoid undesirable phenomena such as splash screen and snowflakes Compatible with multiple devices: Supports devices with HDMI/DP interface, such as set-top boxes, desktop computers, and laptops. Can be connected to display devices with HDMI interface, including TVs, monitors, projectors, etc. Compatible with multiple systems: for Windows series, MacOS, Linux and other systems. No need to install drivers; plug and play IR remote control makes it easier to operate: support remote control and background software (RS232) control. Select inputs, adjust brightness and contrast, select modes, etc. Package Includes: 1 x Video Wall Controller 1 x Power Adapter 1 x Remote Control 1 x User Manual Buy with confidence. Check out our reviews. Also, happy to combine shipping to save you when you buy multiple items.