About Security Cameras.
A security camera is an electronic video monitoring device that records and transmits a video signal to a local or remote server.
Advantages of using a security camera
State of the art surveillance systems can record low-light conditions and have a pan, tilt, and zoom (PTZ) function.
Deterring effect and decreased crime rates
Using a security camera affects potential perpetrators and deters them from committing a crime.
Better control over employees
Video surveillance lets you monitor your employees’ activities.
Safer working environment
While maintaining control over your workers’ activities and productivity, a security camera ensures your employees are always kept safe.
Video security systems can be used to monitor and record 24/7. Even if your home or business were a victim of crime, the camera would help you identify the perpetrator.
Video surveillance systems record even the smallest detail that the ordinary eye can miss.
Types of security cameras
Analog video surveillance systems are connected to the receiver using a coaxial cable and can record and transmit an analog signal. Analog security cameras usually use a DVR (Digital Video Recorder) device to store video recordings.
Digital (IP) surveillance cameras
Digital or IP (Internet Protocol) video security systems are connected to the receiver through a network. Digital CCTV systems are more advanced than analog devices and include various benefits such as improved accessibility, superior image quality, and improved functionality. Digital/IP cameras use an NVR (Network Video Recorder) device to store video materials recorded.
Both analog and digital security cameras can be a box, dome, or bullet-shaped.
Low-Light and Infrared Technology
Advanced video security systems can record in low-light conditions. The ability of a camera to record in a low-light environment is measured by a lux. A low lux rating means higher quality. State of the art video surveillance systems has a 1-lux or even 0-lux ratings.
Infrared cameras also record images in low-light conditions using an infrared light-emitting diode (LED) that works by measuring an object’s heat.
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AXIS COMMUNICATIONS, GEOVISION, HIKVISION USA, DAHUA TECHNOLOGY, BOSCH