CCTV Surveillance System
In industrial plants, CCTV equipment may 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 may operate continuously or only as
required to monitor a particular event.
Brands: Dahua, HIKVISION, TrendNet, Geo Vision, AVTECH, JOVISION
Male hand press phone watch CCTV 
Security system setting. 
Rear view of security system operator looking at CCTV footage at desk in office 
Focus on security CCTV camera monitoring system with panoramic view of a city on blurry background 
Security, CCTV camera for office building at night 
White cctv outside the building, security system with vintage color tone