Knowing about different types of CCTV cameras can help with making informed decisions when it comes to buying CCTV




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Security cameras, also known as surveillance cameras, are used to monitor homes, businesses, and other types of properties. Typically, they are connected to a recording device such as a DVR or computer. In the last few years, IP-based security cameras have become increasingly popular. Security cameras enable you to remotely monitor a scene and play back recorded images.


Digital CCTV Cameras

Digital CCTV cameras directly capture images and videos as digital signals. The signals are compressed and encoded into a standard video format such as MPEG. Digital CCTV cameras usually record videos onto a hard drive or a storage server.

DVR Security Camera System

A DVR (digital video recorder) security camera system or a surveillance system is basically a series of security cameras connected to a monitor and recording system. Most of security camera systems are CCTV-based with the cameras connected to the recording system via video cables. A multi-channel DVR security camera system is dramatically more expensive than a regular IP camera; DVR security camera systems from different vendors require different cameras. Using IP-based network cameras, you don't need a security camera system as each network camera can connect to the cloud directly.

IP Cameras

An Internet Protocol Camera is a type of digital video camera that can send and receive data via a computer network. This type of camera has become increasingly popular among homeowners and business owners in the last few years because of steep price drop. A webcam can also be considered as a network camera because it can send and receive data via a computer.

Wireless Security Cameras

Wireless security cameras transmit video and audio signals wirelessly to a receiving device. Digital security cameras have become much more popular recently because they can be accessed over the Internet.

Night Vision CamerasOne of the main usages of a security camera is to monitor night-time scenes. If the scene is not well lit, it is recommended that you use a camera with night vision capability. Those cameras use an infrared spectrum of light at night and can take pictures of objects in the dark.

Motion Detection

Many security cameras now support motion detection - a technology that triggers recording only when something changes in the scene. Motion can be detected by image changes or sound changes. Many security cameras can only detect image changes. As minor scene changes can occur due to events such as natural light changes or wind changes, many security cameras allow you to configure a “threshold”. By setting a higher threshold, minor scene changes will be ignored and only scene changes that reach the “threshold” will be recorded. Motion detection is very useful if you want to significantly reduce bandwidth and storage usage.

Pan Tilt Zoom Cameras

The pan tilt camera is sometimes called a PTZ camera (standing for Pan Tilt Zoom) and is a security camera that is able to capture high quality video footage for surveillance purposes from a range of angles. More versatile than a traditional fixed in place camera, a pan tilt zoom camera allows the user to change the focus of the lens remotely to look at different fields of vision without having to take the camera down and turn it to face a different direction. Ideal for both indoor and outdoor areas, these security cameras are one of the simplest and most convenient ways to thoroughly monitor a home or business premises.

Auto Tracking

PTZ Auto-tracking will make a PTZ camera follow a moving object should it move out of frame. This means that even if the system is not actively monitored, the camera can follow possible intruders around the area picking up vital evidence where a normal PTZ camera would not. Once the object no longer registers the camera can be set to return to a preset position.

This feature is perfect for security solutions where a single PTZ camera is being used to cover a wide area and where cameras are not often monitored.

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