Specifications: Color: Black Image Sensor: 0.3m CMOS Sensor Magnification Range: 0-1000X Focus Range: 10mm-far view PC Interface: USB 2.0 & USB 1.1 USB Powered: 5V Direct Current Adjustable Illumination: Built-in 8 LED light Video Capture Resolution: Up to 640*480 Still Image Capture Resolution: Standard 640*480, Max 1600*1200 CD ROM: Driver, Measurement Software, User Manual Compatible Operation System: Windows XP/Vista/Win 7 32 bit and 64 bit Frame Rate: 30f/s Digital Zoom: 5X Sequence Mode Language: English/Chinese Product Weight: 291g / 10.3oz Package Size: 19.8 * 16.4 * 10.4cm / 7.8 * 6.5 * 4.1in Package Weight: 450g / 15.9oz Note: Please read the user manual in CD Rom when you start to use. Please install Driver and Measurement software in your computer. please remember to take out the lens protection cover when you use the microscope. Package List： 1 * USB Digital Microscope 1 * Base Stand 1 * Calibration Ruler 1 * CD ROM(Driver, Measurement Software, User Manual)