Do you want to buy a , electron microscope? Are you looking for a solid, reliable tool that can do multiple jobs at the same time? , please don't watch it again! Our electron microscope must meet your needs. This is your choice. Features -Color: Black -Material: Alloy+ABS -Size: About 11.20X8.00X3.30cm/4.40X3.14X1.30inch Specification Maximum video pixel: 640 * 4801920 * 1080 Image sensor 1 / 6.5 "color CMOS sensor Image resolution: 640 * 480, 1280 * 720, 1920 * 1080 Video resolution: 640 * 480 Data format: JPEG / avi Focusing range: 0 ~ 40Mn Single box weight: 180g PC resolution and transmission rate: 640 * 480 / 26fps.1280 * 720 / 26fps Carton size: 14.3 * 9.8 * 4.6cm USB light control portable sensitivity: 2.5v/lux.s Carton size: 50.5 * 30.5 * 25.5cm Maximum to noise ratio: 42db 50 sets in one case, weight: 9.6rg White balance: Auto PC operating system: win10 win8 VIN7 Vista Win XP Zoom: 1600x Lens structure: 2G + IR Aperture: f4.5 Lens angle: 16 degrees -High- integrated circuits and electronic components are adopted. -Clear picture , low power consumption and high resolution. -Its high-resolution picture sensors present stunning pictures of motion. -Adjustable brightness, suitable for any environment. -It is suitable for making photos and videos of small objects, and is the choice for small object -recognition. Package list: 3 x domestic microscope