This has many features including High Resolution: Digital Scope reproduces vivid image with high resolution, Lens and camera, VGA grade. Polarization Function: The basal layer of the skin can be checked, Capillary vessel, pigmentation, etc. Semi-Zoom Lens: No need to exchange Lens, Magnification rates(X1~X80) can be easily controlled by semi-zoom focus ring. High Luminance LED: Life long light, Provide vivid images. USB Type: No need for an extra adaptor, Easy to handle, Freeze Function, Freeze the screen easily with snap shot button.