Common routine maintenance is important to ensure the continued usefulness in the CCTV system. This involves checking the performance of cameras, cleaning lenses, updating firmware, and checking storage capability. Most CCTV systems involve hard drives (calculated in terabytes, or TB) for area recording storage, and some also consist of cloud https://prefabricatedbuildings94714.blogsidea.com/40602405/considerations-to-know-about-closed-circuit-cameras