CCTV cameras are cameras that are used to take a motion picture and transfer it through a closed circuit. CCTV cameras were introduced in US in 60s. The basic idea behind is same the only thing that has changed is technology. These cameras can record a motion picture in digital format that can be stored in a hard disk drive. CCTV cameras are mainly used for security purposes in home or office surveillance. With the emergence of wireless CCTV cameras, these camera systems are no longer limited through wired connections.

CCTV cam uses the concept of broadcasting in which we have to transfer the data to monitor but It is different in the case that in broadcast, signals are openly transmitted that is not the case with CCTV cameras. CCTV cameras have been proved very useful in preventing thefts and other crimes. These cameras obviously can help you identify how a crime happened and to spot it in action. However you can also prevent it from occurring using these cameras.

These cameras are also useful in such places where human intervention is not possible. Hazardous places like nuclear testing places or toxic gaseous environment. These cameras also have night vision capabilities which can be advantageous for home or office security in night. These cameras can provide several benefits from increasing staff productivity to identifying criminals it’s up to you for what purposes you are using it. CCTV camera systems are available for indoor and outdoor or underwater works. These cameras come with functionality like zooming, compressing and night capturing etc. Wireless security cameras use radio waves to transmit the video to the destination. It uses a rechargeable battery of its own.

A CCTV surveillance camera can be very useful to everybody which is aware of security needs. If you are buying a security camera then firstly go and check out its features and compare them with your need. Buy original if you really want to take advantage of this wonderful thing. Otherwise you can miss the thief.

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