A8 50X-1000X USB Hose Stand Digital Microscope LED Light Handheld Portable Microscope 1. The hose bracket can be bent at any angle 2. Built-in 8 LED lamp beads, the brightness can be adjusted, the light is uniform, soft and not dazzling 3. Focusing 50-1000X, smooth and convenient 4. Scope of application: industrial maintenance inspection, textile, jewelry identification, printed matter, experimental research 5. Magnification: 50-1000X 6. Video pixels: 640x480, 1920x1080 (MAX) 7. Image sensor: 16.5 "color CMOS image sensor 8. Picture resolution: 640x480, 1920x1080 9. Video resolution: 640x480 10. Data format: JPEGAVI 11. Focus mode: manual 12. Picture format: JPGBMP 13. Light source: 8 LED lights (brightness can be adjusted) 14. Focus range: 0-40mm 15. PC resolution and image transmission rate: 640x48026FPS, 1280x72026FPS 16. Sensitivity: 2.5Vlux.s 17. Signal-to-noise ratio: 42dB (MAX) 18. White balance: auto 19. Exposure: Automatic 20. Operating system: Win10, Win8, Win7, Vista, WinXP, LINUX 21. Lens structure: 2G+IR 22. Aperture: F4.5 23. Lens angle of view: 16 degrees 24. Interface and signal transmission mode: MicroUSB2.0 Packing list: -Microscope x 1 -Bracket x 1 -Calibration ruler x 1 -Installation disc x 1 -Instruction manual x 1