Features: Made of high-quality stainless aluminum alloy. It can be used as a normal camera. Adjustable height of the bracket and free rotation of 360 degrees. It is 1-500 times continuous zoom electron microscopy. It can be widely used in antique identification, insect observation, circuit board maintenance and jewelry identification and other fields. It has five nozzles for different purposes: 1 for observation of narrow passages, for gynecological and hemorrhoid examination. 2Ear canal examination . 3Check the side view of the tooth or the wall of the tube. 4Inspection of aircraft cargo. 5 used to check the small hole, as nASAL Cavit. Specification: DSP: high-power digital image Monarch processor. Sensor: high quality CMOS sensor, 2M pixels (hardware, no interpolation) Resolution: 640X480,1600 X 1200 (setting resolution: menu -- options -- video capture pin... ) Interface: USB1.1 / USB2.0. Frame rate: 30 frames per second (when the resolution is 640 X 480), 1600 X 1200 5 frames per second Focal length: 5mm-30mm (when the focal length is infinite, the microscope ACTS as a webcam and cannot be enlarged). Diameter:12 mm USB cable length: about 165cm, USB cable color: black or transparent (random) Lighting: there are 6 leds around the lens of the camera Power supply: USB connector (5V DC) Basic hardware requirements: Pentium CPU, 20M hard disk,CM ROM driver, 128MB internal storage,Direct X VGA card.Operating system: Windows 2000 / XP/VISTA/Win 7 / Win8 / Win10 Computer connector: USB 1.0/2.0/3.0. Make sure your computer meets the requirements, then connect the microscope to the computer through a USB connector. Insert the CD into the computer and Instore the software according to the instructions. Then the setup is complete. Weight: Approx.405g/14.3oz Package list: 1 x digital microscope 1 x software CD (including user manual) 1 x metal base 2 x base bracket 1 x tooth reflector mirror for teeth 1 x multi-function tube 1 x nozzle for Observing ear and nose 1 x nozzle for eye 1 x Fix the focal length observation nozzle .