Security cameras are generally video transmitters that feed its data into 4, 8, or 16 channel DVR system which can then be viewed through a monitor. They are usually used to monitor commercial properties and residences. The video they capture can be recorded on video recorders and they can also be continuously monitored by security personnel through the security system monitor.
Night vision security cameras are used in dark areas to provide distinguishable imagery of the surroundings which will allow you to see intruders with clarity. They are able to do this due to their thermal imaging device which captures the heat emitted by humans. However, if a night vision camera is too narrowly focused or is not strong enough to cover a larger area, then an infrared illuminator is used to provide an extra source of invisible infrared light.
Some night vision cameras can also be used during the day because they are capable of switching from night vision mode to normal mode.
Most of today’s security cameras, whether they are indoor or outdoor units, are protected from the elements through a metal shell enclosure. They are equipped with triggering systems that can activate alarms or lights upon detecting any movements. This is possible through motion and audio sensors.
Today’s technology has provided us with security cameras are so small that they can easily be disguised or concealed. There are shop owners who have surveillance cameras that are disguised as one of their products or concealed in some of their merchandise. They can be so small that they can be placed in weird places and easily blend into their surroundings making them very difficult to notice.
The demand for security cameras are increasing due to elevated crime rate. Theft is one of the major concerns of merchants because they lose profit when some of their goods are stolen. In other cases, it is the consumer that gets burdened with this as some merchants will raise the prices of their goods in order to compensate for the lost profit on the stolen items. Security cameras are playing a huge role in protecting people from unnecessary loses. They are not only able to deter potential crime or theft but they are able to solve it as well because of video evidences.