USB Digital Microscope: Image sensor: 1,300,000 Pixels ... 3M Pixels 20X to 400X Made in China USB Digital MicroscopeSpecificationModel No. : UM019 (USB digital microscope)Image sensor: 1,300,000 ... control wheel)PC interface: USB2.0Power source: 5V DC from USB portOperation system: WindowsXP/Vista/Win7OSD language: English, German, Spanish, ... Good Quality 1.3M Pixels 20X to 400X USB Digital Microscope