The celestron portable lcd digital microscope box is very easy to use it is battery powered so it can be used in the field has adjustable lcd illumination digital zoom and much more it is a portable digital lcd microscope with a 24 lcd screen with the built in digital camera 3mp you can take snapshots or video using the built in flash memory of 128mb or use an optional sd card and then later upload your images to your computerrrfeaturesr 24 lcd screen panelr built in dig