... Ratio:25X~200X usb digital microscopeFunction:Image SensorColor CMOS SensorControllerHigh Speed DSP( Driver Free available )LensLens , M7Focus Range10mm ~ 30mm(Fixed ... XP , Vista , Win 7 32 bit and 64 bit.Driver LanguageEnglish,Chinese, German, Italy, Spain, Portugal,Japan,System ... with 700M Hz & Above , 20M HD Space CD ROM Driver, 64MB RAM , Direct X VGA CardCD diskDriverDimension202 mm ( L ...