This microscope is very multifunctional. If you want to cultivate children's hands-on ability and experimental interest, you miss our microscope. It is very small, very suitable for use at home, and also suitable for children to do scientific experiments. 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 Win XP Zoom: 1600x Lens structure: 2G + IR Aperture: f4.5 Lens angle: 16 degrees -1600 times of high-definition , make your experimental results more convincing. -Small size, suitable for children to use at home. -Cultivate children's interest in scientific experiments and the ability to use hands and brains. -It's a good gift for children who love science. -It is suitable for many fields, not only for scientific experiments, but also for mechanical maintenance, identification, etc. Package list: 7 x domestic microscope