This is a high-resolution electron microscope that can be widely used in industrial inspection, telecommunications module inspection, scientific research, textile inspection, jewelry inspection, printing inspection, etc. This microscope supports to connect to a computer. At the same time, the product supports photo, video and file storage. Specifications: Material: ABS #43;metal Color: black Image Sensor: CMOS Pixel: 0.3MP Magnification Ratio: 0X-1000X Photo Resolution: 640*480P Focus Range: Manual focus from 15mm to 40mm Frame Rate: Up to 30 FPS Image format: BMP/JPG Video format: AVI Light Source: 8pcs white light LED (with controller on Microscope) Brightness Control: Manual adjustment PC Interface: USB 3.0 / 2.0 / 1.1 USB Powered: DC5V USB cable length: 1.5 meters Support system: for Win /7/8/10, for Mac 10.13 or later Item Size: Approx. 113 * 33 * 33mm / 4.4 * 1.3 * 1.3in Item Weight: Approx. 80g / 2.81oz Package Weight: Approx. 192g / 6.78oz Package Size: Approx. 15.7 * 9.7 * 6cm / 6.18 * 3.82 * 2.36in Package List: 1 * Digital Microscope 1 * Stand 1 * CD 1 * Calibration Ruler 1 * User Manual (English)