CCTV means Closed-Circuit Television, which is the use of video cameras to transmit a signal to a specific place, on a limited set of monitors. CCTV is often used for surveillance in areas that may need monitoring such as Houses, Offices, Banks, Airports and Stores etc.
Types of Cameras
- Indoor Cameras
- Outdoor Cameras
- IR Day/Night Cameras (InfraRed)
- Bullet Cameras
- Hidden Cameras
Indoor Camera – Indoor camera as the name suggests are used for indoor security mechanism. Depending upon your security needs, you can mount it at any suitable location inside the building. These are suitable for security in homes, schools, officers, hotels, etc.
Outdoor Camera – Outdoor CCTV Camera is used for outdoor places. They are mostly used for entry and exit points with limited night lighting. Outdoor cameras typically have hard shell vandal-proof casings and a variety of lens options.
IR Day/Night Camera – These are used for high alert security areas where surveillance needs to happen throughout day and night. In the daytime the camera functions like a normal camera with standard colors and at night it switches to low-lux black and white mode and still capture images in the dark with the help of Infrared lights.
Dome Camera – This are indoor cameras which are installed inside a dark dome and are designed in a way that they go unnoticed by visitors. They come in compact design for a discreet appearance. The thief does not know if the camera is recording. These cameras can also be rotated and tilted manually.
Bullet Camera – Bullet cameras are outdoor cameras placed inside a bullet shaped housing, and they are used in residential places as well as commercial places. They are small in size, have an integrated design, and are really effective and can stand the harsh weather of the sun and rain as they come protected.
Hidden Camera – Hidden cameras are compact in size and are used for secret monitoring. They are usually placed in/on any other unsuspicious device, like cameras on wall clocks, pens, key holders etc, they are mostly referred to as spy cameras.
What is a DVR
A Digital Video Recorder is a device that help control CCTV cameras, it stores images from the cameras into its internal disk making video recordings readily available for play backs, as a user can go back to any time in the recording and playback a recording in a matter of seconds.
DVR makes recorded video available even over the internet as user can view their CCTV cameras from anywhere in the world on their computers or mobile devices.
It is true that a CCTV camera will still function without a DVR, as a CCTV camera can be connected directly to a television for live viewing but that will deprive the user all the great function of a DVR.
The use of audio recorder with a CCTV Camera
Audio surveillance equipment such as surveillance microphones are useful tools to add to your CCTV camera systems, however federal, state, and local laws must be considered before implementing such systems. Microphones allow operators of surveillance systems to not only see what is going on at their home or business, but also allow you to hear what is going on. Having audio surveillance is a big step into making your business safe, productive, and secure. You will be able to hear what is being said and you can ensure that employees are safe.
What makes up a complete CCTV Surveillance Security System?
- CCTV Cameras
- DVR System with Hard disk
- Cables and Plugs (BNC & DC)
- Power Adapter
- Audio Recorder
- Alarm System
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