ELP 2.8-12mm Varifocal Lens 2.0megapixel Usb Camera,camera Module Usb for Android Windows Linux and Mac Os camera HD resolution with functional varifocal lens for industrial or home video system 2.0megapixel up to 1920x1080 30fps resolution,60fps@1280x720,120fps@640x480 Varifocal lens 2.8-12mm, adjustable by different view distance YUY2 and MJPEG compression format optional Used for all kinds of PC Android surveillance system