Working platform: Windows7, XP, VistaMagnification : fixed 10 timesPhotograph : anti-tremble picture capture functionVideography : high compression/Video Record with extra-long time & 11 hours only take up 3.5H memoryMeasurement : Length, arc length and angleFocusing : auto-focusingLight source : adjustable LED illumination (USB interface)Max size : 13mmx500mmPixels : 1.3 - 5MDisplay speed : 30fpsInterface : USB 2.0