Features: Built-in 8 LEDs, digital microscope adjustment knob can change the focus and brightness. Color CMOS sensor, 24-bit DSP, Super resolution 640x480 to 1600x1200, 5X digital zoom, includes digital measurement software and calibration ruler, compatible with USB 2.0 and USB 1.1. Textile industry for textile control2. Print Control3. Industrial Inspection: PCB, Precision Machinery.4. Educational objective5. Hair Research6. Skin examination7. Microbiological observation8. Jewelry and coin inspection9. Visual aid ect. Specification:Magnification ratio: 1600xPower source: 5V DC from USB portUSB portUSB port: supports USB 2.0 and USB 1.1Light source: 8 LEDs (adjustable by control wheel)Photo format: JPEG or BMPPenlargement: 1600XRstatic resolution: standard 640x480, maximum 1600x1200Zoom: 5-segmentFocus range: 10mm to 250mmMaterial: plasticColor: blackSize: 120x159x16 3mm/4.7x6.3x6.4inchOS: Windows 7/Vista/XPointment: 1 setNote: 1. Please allow 0-1cm error due to manual measurement. Pls make sure you do not mind before bidding.2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!3. 3. If your computer does not have a CD-ROM slot, go to send the driver. Package Includes: (Retail Package)1 Set 1600X 8LED USB Digital Microscope1 Set Bracket1 x x1 x Calibration Ruler