... 4 inputs to 4 outputs 2,with remote control, box package 3,3D,1080p Support 4,Metal ... Inputs can be switched with the IR remote control,also can be controlled by four buttons.10 ... Matrix.4. Alternatively, use an RS-232 control system to switch between sources CONNECTION:Input 1- Input 4: ... receiverLCD: Digital Tube ShowingSwitch A: HDMI A output switch buttonDC 5V: 5V DC-DC Power InterfaceSwitch:Power ...