Features 1、This microscope is easy to operate and convenient to carry. 2、It has 500X magnification, and supports focusing adjustment. 3、Designed with LED light, high quality optical lens helps to see clearly. 4、Comes with a metal holder platform for convenient operation. 5、Widely used for industrial PCB checking, jewelry appraisal, detecting, etc. Specification Features: This microscope is easy to operate and convenient to carry. It has 500X magnification, and supports focusing adjustment. Designed with LED light, high quality optical lens helps to see clearly. Comes with a metal holder platform for convenient operation. Widely used for industrial PCB checking, jewelry appraisal, detecting, etc. Specification: Magnification: 50X-500X Lens Construction: 2G+IR LED: 8 Focusing Adjustment: Manually adjust, 0-40MM Imaging Distance: 3MM-infinite Video Record Format: AVI Video Resolution: 640*360 Picture Format: JPG Working Range: 0-10M USB Working OS: For Windows, XP, win7, win10(32, 64 bit), for OS*10.5 or above (support USB UVC protocol equipment) Weight: 216g / 7.6oz (approx.) Pixels: 300,000 Package list: 1 x Microscope 1 x holder 1 x Calibration Ruler Package List