This Blackbird™ 4x1 Quad Multiviewer Switch is a high-performance multiviewer that supports four high-definition inputs displayed simultaneously on a single screen. It features four HDMI inputs and a single HDMI output. It supports video resolutions up to 1080p 60Hz and supports multichannel, high-definition audio. It includes five display modes, three of which can display all four inputs at the same time. It can be controlled using the front panel buttons, the included IR remote control, or RS232 computer control. Features Displays content from FOUR high definition input sources on a single display at the same time Customizable with 5 multiview modes 3-way control Infrared Remote, via RS232, or manually Much easier to install and use than higher end multiview solutions Support Files User's Manual Aug 22, 2017 Blackbird™ is a trademark of Monoprice Inc. HDMI , the HDMI Logo, and High-Definition Multimedia Interface are trademarks or registered trademarks of HDMI Licensing LLC in the United States and other countries.