2.0MP Handheld USB Digital Endoscope/Microscope with 12.0mm Tube Diameter Sensor: 2.0M pixels CMOS sensor. Still Image Resolution: 1600X1200 pixels (Format: BMP). Video Resolution: 1600x1200 pixels (Format: AVI, Frame Rate: 30FPS at VGA). Focal Distance: 5mm - infinity (when Focal distance is infinity, the microscope cannot magnify, but can be used as a webcam). Magnification: 10X-250X (adjustable). Illumination: 8 white LED lights built-in. PC Interface: USB1.1/USB2.0. USB Cable Length: 165cm. Endoscope Tube Diameter: 12.0mm. Endoscope Tube Length: 140mm. Set of Accessories (Reflector Tube, Multi-function Tube, Large Focusing Cap, and Ear Tip): can be attached to the endoscope for different inspection purposes. Compatibility: Windows 8/7(32 or 64 bit)/Vista/XP, MAC 10.5 or above (note: For Mac, please use Photo Booth or Facetime to open it. No software for Mac at this time). Manufacturer's Warranty: 1 year.