Multimedia LCD Projector
5.Component video signal from a video source.
7. Audio outConnecting to an external speaker system.
8. Audio inStereo mini jack for PC input
9. USB mouse connectorConnects a USB mouse cable to a computer to control computer mouse functions.
10. Power socketConnects the power core to this connection.
11. Power switch Turns the power on/off.
12. Rear IR receiverWhen using the remote control, point the remote control at this sensor.