1) 4-inch TFT touch screen, solution: 480*272
2) Functions: Navigation, MP3, MP4, JPG picture, textbook
3) Tools: calculator, calendar, alarm clock, etc.
4) Numbers of signal receiver: 20 Channels
5) Precision of Locating: Less than 10m
6) IC: Sirf StarIII
7) Storage: internal 128M Nand flash or SD card
8) CPU: SAMSUNG S3C2440A-40 400MHZ
9) Battery: with 1200mAH rechargable Li battery, can continue use for about 5 hours
10) With outside speaker
11) Operating system: WinCE 4.2
12) DV IN: 9-28V
13) Antenna: with GPS internal Antenna and reserved external GPS Antenna jack
14) Can supports different country's map
15) Product size: 151 x 74 x 25mm