DEPTH 0.500 INCH NOMINAL; WEIGHT 4.37 OUNCES; OPERATING TEMPERATURE 32.0 TO 104.0 DEGREES F; OPERATING RELATIVE HUMIDITY 90.0 PERCENT; SAMSUNG 2410 PROCESSOR; STYLUS TOUCH SCREEN DISPLAY WIDTH 240 BY HEIGHT 320 PIXELS WITH VIEWABLE IMAGE WIDTH 2.260 BY HEIGHT 3.020 INCH; AC ADAPTER WITH 6.000 FOOT CORD; POWER SUPPLY 100.0 TO 240.0 VOLTS AC SWITCHING; CAN ALSO BE POWERED BY REMOVABLE/RECHARGABLE BATTERY; INPUT CURRENT 0.3 AMP; INPUT FREQUENCY 50 TO 60 HERTZ; OUTPUT VOLTAGE 5 VOLT DC; OUTPUT CURRENT 2 AMP; SD MEMORY EXPANSION SLOT SUPPORTS SDIO AND SD/MMC TYPES STANDARD; OPERATING SYSTEM MICROSOFT WINDOWS MOBILE 2003 POCKET PC PROFESSIONAL SOFTWARE