X-gps S700 Hd 5.0 Inch 800*480 Hd GPS Navigator+sirf V+128mb Ram+4gb Last Maps W CPU:SIRF Atlas 533MHz CPU GPS module:SIRF ATLAS IV SDRAM:Built-in 4GB Flash Display:5.0" 800*480 TFT True Color LCD Touch Screen GPS accuracy:Position - Less than 10 meters (33 feet), 95% typical velocity - 0.1 meters per second steady state