... ,GPS, RS232 90 degrees switchable 7 Inch Tablet PC For Car Headrest For TaxiAdvertising Software (Slip Screen): Scrolling Text: update at any timeTimerPicture Bar : loop picture with ... 512MBStorage Device(Flash)4 GB-36GBNetworkLAN(RJ45)Built-in 3G ModuleWiFi GPSIntegrated ModuleLanguageArabic, Hebrew, Persian, English, French, Italian, and so on 7 Inch ...