... 1,HDMI Matrix 4 inputs to 4 outputs 2,with remote control, box package 3,3D,1080p Support 4,Metal shell type FEATURES:1. Four HDMI ... (monitor or projector) into the HDMI Matrix outputs.3. Connect 5V power supply to the HDMI 4x4 Matrix.4. Alternatively, use an RS-232 ... control system to switch between sources CONNECTION:Input 1- Input 4: HDMI input ...