Monitors activities. CCTV systems are able to keep track of what is happening at the premises where they are installed. By monitoring the activity of workers and visitors at your business’ site, you and your workforce can have total peace of mind about exactly what is going on under your roof. 3. Collect evidence.
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2. CCTV System Design 1 2.1 Defining System Requirements 1 2.2 CCTV System Design Considerations 3 3. Components of CCTV Systems 9 3.1 Cameras 9 3.2 Lenses 15 3.3 Housing and Mounts 22 3.4 Video Monitors 25 3.5 Switchers and Multiplexers 30 3.6 Video Recorders 32 4. Transmission 36 4.1 Wired Transmission 36 4.2 Wireless Transmission 39 A digital video recorder ( DVR) is a device that converts the signals from an analog camera into a viewable digital format that can be stored on a hard drive. It’s one of two local storage options for closed-circuit television (CCTV) security systems—the second being network video recorders ( NVRs ). DVR and NVR devices are similar in that Introduction. As part of a consolidated approach to security, CCTV can support other forms of protection such as intruder alarm systems. It can be an effective and versatile tool to help combat criminal activity and anti-social behaviour, achieving this by a combination of: The first CCTV systems were relatively expensive to install and
The primary purpose of a DVR, also known as a digital video recorder, is to process and store data gathered by surveillance cameras in security systems. Superior to the prior generation, the VCR or videocassette recorder, this generation offers several improvements like: Remote monitoring. Higher quality recordings.

Hikvision provides a full suite of security products and solutions for a broad range of vertical markets.

A home security system is a group of physical electronic components that all work together to protect a home. If you want to see real systems, read our SimpliSafe review, ADT review, or Vivint review. Often, a home security system will consist of the following objects: Security camera: Smart security cameras hook up to Wi-Fi, enabling us to
Monitoring and detection systems • Video Surveillance – This is the most common type of surveillance system, which is used as a crime deterrent as well as for crime detection. CCTV analog cameras are most widely used surveillance devices, however, there is a growing shift towards IP surveillance systems. There are multiple PCFy.
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    • purpose of cctv surveillance system