HDMI Matrix 1,HDMI Matrix 4 inputs to 4 outputs 2,with remote control, box package 3,3D, ... room, luxurious house, etc. SPC:AX-HM4T4WHDMI Matrix 4 input to 4 outputsSize of matrix:29.5*10.6*3.7 ... .86kgWith a power source port(DC12V), two Selector buttons, a RS 232(9pin) port and an IR ( input remote) control. Metal shell ...