... usb digital microscope camera New 4 LED 200X usb digital microscope Instructions:First, insert USB interface. Second, install the driver. Third, from "start" menu "USB Digital ... 1280x960,1024x768,800x600, 640x480, 352x288, 320x240, 160x120.Still Image Capture Resolution: Up to 1280 x 960 ... )Magnification Ratio: 20X ~ 200X (Manual) Power Supply: USB Port (5V DC) Software Compatibility: TWAIN / VFW/ ...