2x2 HDMI Video Wall Controller, 4K x 2K HD Display, 180 Degree Rotate, HDMI 4K Input 1080P Output Support 2x2, 1x2, 1x3, 1x4, 2x1, 3x1, 4x1(US) Feature: 1. DISTRIBUTION: Video wall controller divides a complete HD multimedia interface HD image signal into 4 and distributes them to 4 video display units (e.g. rear projection units, etc.). 2. COMPOSITION: TV wall controller can be completed with 4 HD multimedia interface HD video display units to form a large image screen. 3. INPUT: 4 channel video wall controller supports 1 channel HD multimedia interface input, supports HD multimedia interface 2.0 input, supports 4K and 60HZ and below. 4. OUTPUT: Video wall processor supports 4 way HD multimedia interface output, supports 1920x1080P and 60HZ. 5. ROTATABLE: 2x2 video wall controller with RS232 control function, slit adjustment, support 180 degree screen rotation. How to Use:Plug and Play Specification: Item Type: Video Wall Controller Material: Iron Input Port: HD Multimedia Interface Output Port: 4 x HD Multimedia Interface Input Resolution: 4K and 60Hz Output Resolution: 1920x1080P and 60HZ Remote Control Battery: 2 x AAA Batteries (not Included) Voltage: 110240V Package List: 1 x Video Wall Controller 1 x Adapter 1 x Remote Control 1 x Instruction Manual