Base on the manufacturing Know-how, We make the exciting technology and the idea products.JPK cam is a portable usb microscope camera for Android smartphone and tablet. It is very useful for Quality inspection.SpecificationsMagnification : x25(actual magnification depends on the display device screen size)Depth of Field : 10mm / 0.4inchBuilt-in light source brightness : up to 5000LUXImage output : Snapshot & VideoExtra feature : Micro-scale measurementPower source : USB cord to the display device(included)Supported OS : Android v4.3(jelly Bean) or laterFree App. served (Download Google play store)