... Magnification Range 50X ~ 500X (Manually)Power Supply USB Port ( 5V DC )USB 2.0 & USB 1.1 CompatibleOperation System Windows XP, Vista, Win ... , UV black; and other colors.Product Outlook & Standard parts Digital Microscope (1pcs)2. USB 2.0 cable 3. Metal fixed Stand (1pcs)4 ... -bit &above VGA ,CD-ROM, USB2.0 or USB1.1. USB Hand digital microscope