1.Projector Distance:1.5-4m .
2.Picture Size: 30~130inches .
3.Output Terminal: stereo earphone RV power source
4.Menu Lanuguage:As per customer's requirment support 23 languages .
5.Can read the U disk mobile hard disk SD card three in one AV line connected set-top box DVD VGA interface or HDMI interface of the computer and the other wiring connections.