A CCTV (closed-circuit television) surveillance system is a network of cameras that capture video footage in real time and transmit it to a central monitoring station. CCTV systems are used to monitor and protect a property or area by tracking activities and ensuring security. 

Here are some key features of CCTV systems: 

• CamerasCCTV cameras are strategically placed around a property, such as at business entrances and inside the building. 
• Video transmissionCCTV cameras transmit video footage to a monitor or set of monitors. 
• MonitoringTrained security professionals monitor the video footage at a central monitoring station. 
• ConnectionCCTV cameras can be connected to a coaxial cable, network cable, or wireless signal. 
• Cloud storageCCTV cloud storage allows users to view and respond to security footage in real time, even when they are offsite. 
• License plate readersLicense plate reader (LPR) cameras use high-resolution sensors to capture license plate numbers. 
• Smart technologySome CCTV systems use artificial intelligence (AI) to detect people, vehicles, and other objects. 
• Medical monitoringCCTV cameras can be used to monitor patients for potential medical crises