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Bulk CCTV Store is used in the security of the quasi-camera, its pixel and resolution than the computer video head is higher, than professional digital cameras or dv lower. Most Bulk CCTV Store is single video capture devices, and few have the function of data storage. Surveillance cameras are mainly divided into gun type, hemisphere type and high-speed ball type in appearance, and there are also differences between analog monitoring and IP network monitoring, which are widely used in schools, companies, Banks, transportation, safe cities and other security fields. In security system, image generation is mainly from CCD camera and CMOS camera. CCD, short for charge coupled device, is widely used for its small size, light weight, freedom from magnetic field, and resistance to vibration and impact.