Carson zPix USB Digital Microscopes with Intregrated Camera and Video Capture (MM-640, MM-940) High-powered digital microscope connects to your computer and captures images with 640-by-480 resolution digital camera Recognized with Dr. Toy 100 Best Children's Products, Dr. Toy 10 Best Educational Products, Creative Child Magazine 2007 Preferred Choice, and Parents' Choice awards 35x-165x effective magnification based on a 21" monitor; measures 1.8 by 4.1 by 1.7 inches (W x H x D); 7.0 ounce weight Includes specimen base, three blank sides, one prepared slide, forceps, eyedropper and USB cable. Compatible with Windows 8.0/8.1, Windows 10 or Earlier Versions and All Mac Operating Systems | Requires USB 2.0 or 3.0 port | The zPix is NOT compatible with tablets | Please visit Carson website for software updates