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.Itcan 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 secondFocal length: 5mm-30mm (when the focal length is infinite, the microscope ACTS as a webcam and cannot be enlarged).Diameter:12 mmUSB cable length: about 165cm, USB cable color: black or transparent (random)Lighting: there are 6 leds around the lens of the cameraPower supply: USB connector (5V DC)Basic hardware requirements:PentiumCPU, 20M hard disk,CM ROM driver, 128MB internal storage,Direct X VGA card.Operating system: Windows 2000 / XP/VISTA/Win 7 / Win8 / Win10Computer 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/14.3ozPackage list:1 x digital microscope1 x software CD (including user manual)1 x metal base2 x base bracket1 x tooth reflector mirror for teeth1 x multi-function tube1 x nozzle for Observing ear and nose1 x nozzle for eye1 x Fix the focal length observation nozzle.