Parameters:Focus Range: from 10mm to 250mmFrame Rate: Max 30f/s under 600 Lus BrightnessMagnification Ratio: 50x to 1000xVideo format: AVIPhoto format: JPEG or BMPLight source: 8 LED (adjustable by control wheel)PC interface: USB2.0Power source: 5V DC from USB portOperation system: Windows 7 8 10/Vista/XP/2000, Mac OS X 10.5 or above, some of Android mobiles, Linux, ChromeBundle software: MicroCapture with measurement amp; calibration function System Requirement Pentium Computed with 700M Hz amp;Above, 20M HD SpaceCD ROM Measure Tool: Micro-Measure (It can measure Length and diameters, angle, the perimeter, area)Color: Black