DM3 4.3-Inch Screen LED Light 1000X HD Portable Electronic Digital Microscope, Specification: Plastic 1. Magnification: 1000X 2. Lens optical size: 14" 3. Image resolution: 640x480, 4032x3024 4. Video resolution: 640x480, 1920x1080 5. Data format: JPGAVI 6. Focus mode: manual 7. Picture format: JPG 8. Light source: 8 LED lights (brightness can be adjusted) 9. Focus range: 0-40mm 10. PC resolution and image transmission rate: 1280x72026FPA 11. Sensitivity: TDB mVlux-sec 12. Signal-to-noise ratio: TDB db 13. Exposure: Automatic 14. White balance: automatic 15. PC operating system: Win7, Win8.1, Win10, Mac OS x10.5, Win XP 16. Lens structure: 2G+IR 17. Lens angle of view: 16 degrees 18. Interface and signal transmission mode: Micorusb2.0 19. Working current: 366mA 20. Scope of application: industrial maintenance inspection, textile, jewelry identification, printed matter, experimental research Packing list: -Microscope x 1 -Bracket x 1 -USB cable x 1 -Installation disc x 1 -Instruction manual x 1 -Calibration ruler x 1