Celestron 44340 LCD Digital LDM Biological Microscope LCD Digital Microscope is a unique device that replaces the traditional eyepiece with a high resolution 3.5" (88mm) LCD display. This bright screen allows for clear viewing of microscopic worlds by individuals and groups alike. The LCD Digital Microscope's three objective lenses provide 40x, 100x, and 400x optical magnification levels. This combined with 4x digital zoom allows you to view objects at up to 1600 times their original size. 3.5" (88 mm) LCD Screen with 4x Digital Zoom. Built-in Digital Camera - 2 Mega Pixels - Acts as 10x eyepiece. Top and Bottom LED Illumination. Mechanical Stage - 3.5" x 3.5" (88 mm x 88 mm). 512 MB Internal Storage Memory SD Card Slot (uses optional SD/SDHC Cards up to 16GB). Five Prepared Slides. Six Position Color Filter Wheel. USB Cable for Transferring Images to a PC. AC Adaptor to Power the Microscope Carrying Case Included