The WV-CP480 Series color fixed cameras with Super Dynamic III (SDIII) deliver performance capabilities with a host of features that virtually think for themselves. With features like Auto Tracking that follows an individual’s movements within the camera’s field of view, 30x optical zoom, 540 lines of horizontal resolution (color) and an auto image stabilizer. This P-T-Z camera has it all. The WJ-HD300A DVR Series features an intelligent recording technique with dual compression to deliver sharper images. Providing more than 500 lines of horizontal resolution and a high refresh rate makes them well suited for use with our SDIII high-resolution cameras.