In the present world, there is a wide importance of security cameras. In almost all important places we find security cameras are installed to check the arbitrary activities of people. Security camera installation methods are different for the different types found on the market. The security surveillance system is a very useful tool for monitoring and detecting the activities and behaviors of the people that go against the laws of the state. This is a very important system as it is very useful and helpful in governmental functions and enforcement of laws in order to maintain social control, monitor and recognize threats and investigate or prevent criminal activities. With the various types of programming, software and technologies for security surveillance systems, law enforcement now possess unprecedented ability to check, monitor and investigate the activities of various subjects.
Security cameras, especially the closed circuit television systems, help in crime detection as these cameras are mainly installed in the parking spaces, public transportation stations and in other public places. This also provides monitoring of Hacking and video art and Traffic monitoring. In industrial processes, it is very helpful in chemical and nuclear industries as the conditions in these places are dangerous and may also be harmful if certain procedures are not followed. This type of security cameras help in supervising and monitoring the working conditions of such places. Surveillance cameras have also become very useful today in retail shops.
On the other hand the IP cameras (Internet Protocol) are flexible and can move around anywhere on the IP network. They are also able to function on wireless networks. IP cameras can also be accessed by remote for 24/7 monitoring. They have secured data transmission systems through authentication and encryption methods by TKIP, WPA, WPA2, and so on. The modern IP cameras can work without an additional power supply but on PoE-protocol, by which powers can be obtained via Ethernet cable, these cameras provide for a two way audio via single network. These cables allow the users to communicate to what they are seeing. In this way they provide for a useful service for both the manufacturer and the consumer.
The wireless security cameras are becoming more popular in the market. They are a cost-effective way to have a security surveillance system installed in business area or home with out wires. The absence of wiring in the wireless cameras allow less clutter and thus avoids damage to the building and the structures where it is installed.