The full form of CCTV is Closed Circuit Television often known as Video Surveillance. In this system the components like video camera, display screens, recording equipment etc. have a direct connection and can be connected with other security solutions to make the place safer.
How does CCTV work?
CCTV (Closed-Circuit Television) systems are installed with strategically placed cameras. The camera footage is then observed on monitors at specific locations. These cameras are connected through private cables or wireless links. The term “closed-circuit” is used because the content captured by these cameras is limited to be viewed only by authorised individuals.
Layout
Camera – Cables – NVR – Hard disk – Router – Mobile Application
Uses
- Track a particular area that is easy to identify and requires constant monitoring
- Monitors and records most of the events, which makes it very obligatory to stay away from a crime
- Reducing the risk of break INS.
- Reduced employee or staff incidents.
- To keep track of seniors, kids, or pets at home.
- Security evidence for any crime committed
Various components used
- IP or analogue security cameras.
- Cables
- The video recorder of the type DVR or NVR
- Storage unit such as hard disk
- Display unit usually a screen to monitor the footage
Cameras used the most in India by use case
- Housing and residential – Wifi cameras are always recommended as no wiring is needed and an additional cost of NVR is not needed.
- Commercial use case – Dome camera for increase in coverage and Bullet camera to cover specific focus areas.
- Industries and Large case uses – PTZ(PAN TILT ZOOM) Cameras as one camera is enough to patrol and secure a 360 Peripheral with higher zooming capabilities.
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