OREI 2x2 HDMI Video Wall Controller Processor Display Upto 1080p 60hz 2x1, 1x2, 1x3, 1x4 Supports 180 Degree Rotate RS-232, 2x2 Video Wall - This device easily lets you take one HDMI source (Blu Ray Player, Computer, Laptop, Media Player, Gaming Console) and divide on to 4 TV Display Screens simultaneously. Key Features: 2x2 VIDEO WALL - This device easily lets you take one HDMI source (Blu Ray Player, Computer, Laptop, Media Player, Gaming Console) and divide on to 4 TV Display Screens simultaneously.Multiple Display Modes - 2x2, 1x2, 2x1, 1x3, 3x1, 1x4, 4x1 (1080i each Display) and 1x4 Splitter Mode (Display the same source on all 4 TVs @ 4K Each Display)Input: x1, Output: x4, Interlaced upto 480i, 576i, 1080i. Progressive upto 480p, 576p, 720p, 1080p. Does Not Support HDR10, and Dolby Vision, Supported Audio Formats - PCM 2.0 (Does Not Support Dolby Digital and DTSResolutions upto 1080p @ 60hz - Supports 180 degrees flipping in 2x2 mode to flip the upper displays upside down. NO REMOTE CONTROL1 Year Full Warranty with OREI Support. Includes: HD-22VW Video Wall ,Power Adapter, Manual