USB Portable Multifunction Digital Microscope is an amazing and easy to use handheld microscope. It is ideal for various applications such as science and engineering work and study, dermatology (skin/scalp) exam, detailed repair, assembly and quality control (i.e. electronics, mechanical, etc.), hobbies and collecting (coin, stamp, watch, jewelry, etc.), law enforcement (counterfeit ID, crime lab, etc.), entertainment or simply as a reading aid. Just use your imagination! It magnifies anything to 400x. You can view everything from the pre-prepared slide of a honeybee leg to a close up of your own tongue. Features include enabling you to "capture" either a photograph with a simple click, capability of interfacing to PC, adjustable focus, quick and easy installation.