1000/500 times magnification, step by step adjustment, real-time measurement software gifted. USB2.0 interface, easy to operate connecting with computer. With a lens cover to protect the top of the lens of the USB digital microscope. And be sure to remove the protective cover for observation before use, otherwise it will affect focusing. This USB Digital Microscope is -touch, instead of buttons, the operation is more convenient. You can save your images directly to your hard drive in JPG or video files for sharing with your friends, family, boss or client. Specification: Material: Plastic Color: Black Power supply: USB port PC interface: USB2.0 & USB1.1 Controller: High Speed DSP Magnification: 500X, 1000X Frame rate: Up to 30 FPS Photo/Video: Built-in Light: 8 white LED lights Static resolution: standard 1600 * 1200 Digital zoom: 5 segments Imaging distance: manual adjustment of 10mm to distant view Image resolution: Min680 * 480/Max1200 * -1600 Base: lifting plastic base Support system: WIN XP / VISTA / WIN 7 32-bit and 64-bit USB cable length: approx. 1.3m Package size: 20*17.5*7.5cm/7.87*6.88*2.95in Package weight: 455g Package Included: microscope*1 If you have any questions about the product, please contact me, we will contact you within 24 s and give you a satisfactory answer. The size of the product is measured manually, and the error of the size is inevitable. If you are particularly concerned, please take it carefully.