Topnisus 50x-500x USB Digital Microscope Endoscope 8LEDs Adjustable with Stand and Snap Zoom Button for Educational Biological Business Purpose HD color CMOS sensor, high speed DSP(driver free available), 24bit DSP, optimum resolution 640x480, 5X digital zoom, contains digital measurement software and calibration ruler, compatible with USB 2.0 & USB 1.1 Professional optical microscopic lens With measurement function, compatible with Windows(Windows2000/XP/Vista/Win7/Win8) only Its 0.3M image sensor,8 LEDS with brightness adjustable and 500x magnification bring you with tremendous details Use in different fields: Skin inspection, Hair inspection, Industrial inspection(PCB), Education purpose, Print industrial, Textile industrial, Biological inspection, Jewelry & Stamp (collections) inspection and so on