... -LCD, 65 K colors. 240 x 320 (QVGA size), LED backlight Touch panel: Glass analog resistive touch and transparent type ... Expansion slots: SIM/SAM/Micro SD (TF) card, Indicator: LED, Audio: 0.5 watt,Input method: Touch input and keyboard inputKeyboard: Numeric ... concrete floor, under operating temp) Rolling survive: 1,000 times, 0.5 meter, rolling by six contact surfaces Operating systemWindows Embedded ...