In industrial/Commercial/Residential spaces, CCTV equipment can be used to observe parts of a process from a central control room, for example when the environment is not suitable for humans. CCTV systems can operate continuously or only as required to monitor a particular event. Intrusion detect ion is used to check unwarranted entry in industries/residences. Home automation is building automation for a home, called a smart home or smart house. It can also include home security such as access control and alarm systems.