LED Microscope, 50X-500X Microscope, 500X Microscope 0.3MP USB Magnifier for Computer with Holder

Specification:
Magnification: 50X-500X
Lens Construction: 2G+IR
LED: 8
Focusing Adjustment: Manually adjust, 0-40MM
Imaging Distance: 3MM-infinite
Video Record Format: AVI
Video Resolution: 640*360
Picture Format: JPG
Working Range: 0-10M
USB Working OS: For Windows, XP, win7, win10(32, 64 bit), for OS*10.5 or above (support USB UVC protocol equipment)
Weight: 216g / 7.6oz (approx.)
Pixels: 300,000
Package list:
1 x Microscope
1 x holder
1 x Calibration Ruler