Multifunctional 500 times Electronic Digital Magnifier 500 times magnification,USB connected to the computer to watch Suitable for Laser hole detection , computer parts inspection, soldering of electronic components inspection , science teaching tools , concrete , scalp testing, textile testing, jewelry appraisal , collections / coin inspection, antique appraisal , auto detection of small parts and Internal pipeline inspection , industrial inspection, laboratory research , medical analysis , School research tools , insect anatomy / plant anatomy skin examination , forensic , Printing , jewelry flawed inspection, observation of the internal structure of a variety of small parts , etc. wide range of other uses Portable compact like a pen,! Cost --- practical! Quality Assurance Use supereyes super eye patch software and LED lights and ultra-eye lens effect image to enlarge image smoothing effect is true, better and more clearly