D-CLICK TM0.1X ~ 200X Handheld USB Digital Microscope Endoscope Loupe Otoscope Magnifier with 11mm Tube Diameter Tripod LED (200X) Windows 7/Vista/XP/2000, Mac OS  10.5 or above, Linux 0.3 Megapixel, Manual focus, 11 mm Video:High compression, 11 hours long Magnification:1 ~ 200 times continuously adjustable Environmental Friendly Material