Video formatavi whats in the box1 microscope osd languageenglish chinese frame rate fps25 fps500 lux powered byusb magnification ratio800x image sensor megapixel16001200 1280960 800600 640480 snap shot formatbmp objective lens mm040mm focus range mm3mm led number8led interfaceusb 20 operation systemwindows xp windows 7 windows vista materialplastic item typemicroscopes