Multimedia Controller Multimedia Controller GK-500Product FeaturesPower-off Dealyed Protection:extending ... wide range of fast connectors.Reserved network,microphone,USB,notebook,stereo,and other interface greatly facilitate the ... 1*USB(INPUT),1*USB(OUTPUT),1 1 *Screen power output control ,Electric control screen up and downControlDB9 Standard serial ... 1.5V Power rangeAC:200-240V Multimedia Controller