Detailed Product Description Basic parametersModel: S999TVProcessor: SIRF Atlas III 396MHz AT642Memory: RAM: 64M / supports SD / MMC CardData Interface: USB 2.0 port, COM2OS: WIN CE, 5.0Screen parameterScreen size: 5.0 inchesScreen Features: 480 × 272 TFT LCD touch screen, supports full-touch, handwriting function, 16:9 widescreen, 16 million colorsNavigation PerformanceGPS channel: 22 ...