BrandDell Model NameLatitude 6400 ColorBlack LifestyleBusiness Type2 in 1 Laptop Operating SystemWindows System Architecture32 Bit Screen Size35.56 cmDisplay resolution1440 x 900 PixelsScreen TypeLCD Processor BrandIntel Clock Speed2.53 GHzTouch ScreenNo Web Camera Pixel2 MegapixelInput Voltage19.5 VWifi StandardsIEEE 802.11b/g ConnectivityVGA Port ,USB Port ,Mic Port ,Lock Port Number of Speakers2 Internal MicYes Hard Drive Size320 RAM Size4 GBRAM Slots2 Expandable Memory8 GBOptical DriveYes Graphic ProcessorIntel HD Warranty Summary10 Days checking Warranty ConditionUsed Average Battery Life2 Hours