This USB Microscope can be used in wide fields, allow you to explore every microscopic worlds you want. Made of plastic and alloy material, with clear quality, low power consumption, and high-resolution. 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 signal 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 -This is a high-definition microscope, which is very professional. -The base can be flexibly adjusted to the position you need. -It can be put on any tables, desks, benches, worktable or counter. -It can be connected to a computer via a USB port. -Multifunctional, repair industry, inspection, industrial electronics, laboratory, identification of jade, coins, jewelry, jade ware, porcelain, bronze ware, stamps, antiques and many other fields. Package list: 8 x domestic microscope