Celestron 44301 Mini Handheld Digital Microscope Mini Handheld Digital Microscope with 15-30x magnification, powered by USB 2.0 Built-in 1.3 MP digital camera with SD video 6 LED ring illuminator Use the included Windows software to capture images and video of your discoveries. Measure your specimens with built-in measurement tool. Computer requirements: CD/DVD drive and USB 2.0 port. UVC plug-and-play with Windows 7, Vista, and XP. Also compatible with Mac OSX 10.4.9 and above (without measurement feature).