... sensor/1.3 Mega Pixels 220X 1.3MP 8-LED USB Digital Microscope ,USB Microscope and Magnifier Image sensor: 1/4 CMOS sensor/1 ... )PC interface: USB2.0/USB1.1Power source: 5V DC from USB portOperation system: Windows2000/XP/Vista/Win7, Mac OS X 10 ... , User's manual, driver CD Packing: 20pcx/carton; 7kgs/carton USB 220X 1.3MP 8-LED USB Digital Microscope ,USB Microscope,5X to 220X