Feature: 1. DISTRIBUTION: Video wall controller divides a complete HD multimedia interface HD image signal into 4 pieces and distributes them to 4 video display units (e.g. rear projection units, LCD TVs, etc.). 2. COMPOSITION: TV wall controller can be completed with 4 HD multimedia interface HD video display units to form a large dynamic 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. 6. EASY TO OPERATE: TV wall processor supports multiple splicing, easy to operate, 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 How to use:Plug and Play Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store