A security camera system helps in increasing the safety in home or office. Security camera system allows you to keep a watch on a place, when you can not be present there. Some security camera systems allow you to access the captured video from a remote location. Security camera systems are mainly used for identification of criminals, and providing safety to home and workplace. A security camera system also works as a deterrent device as many people become conscious after seeing a security camera system.

Now a days, most of the security camera systems are digital. Digital cameras can be incorporated in any computer network. Usually a digital security camera system sends the captured video to the personal computer or a web server. However, now day's security camera systems with their own server space are also available. Digital security camera systems provide high quality images.

These security camera systems can be used for indoor as well as outdoor applications. Different camera systems are available in the market. Which camera system will suit your need, depends on the type of application for which you are going to use it. For example, a security camera which is to be used for outdoor applications should be sturdy and weather resistant. The different security camera systems are:

? Fixed Security Camera ? Fixed security cameras are fixed at one place. Fixed security camera lenses can be changed whenever required. The camera lens is required to be changed for different purposes like wide angle viewing, an up-close-and-personal shot, etc. Fixed Security cameras are less expensive because of immobility.

? Bullet Security Camera ? These cameras can be used for both indoor and outdoor applications. Bullet security camera is very sturdy and provides clear vision. These security camera systems have very easy installation.

? Dome Security Cameras ? Dome security cameras are covered with a dome unit made up of polymer. This tough unit protects the camera from any damage. Using a dome security camera lowers the cost of maintenance. Dome security camera is mainly used in vandalism prone areas. Due to outer covering, the other person does not come to know about the camera focusing hence this camera provide better safety.

? Infrared Security cameras ? Infrared security camera systems are really helpful in capturing the video in complete darkness.

? Pan-tilt-zoom (PTZ) security cameras ? These cameras can be housed inside a dome. These cameras are little expensive because they provide additional features like rotation, zooming etc.

? Other types of security camera systems include Day/ Night camera systems, wireless camera systems, network security cameras etc.

Location of these cameras plays an important role in providing security. Security systems with high resolution should be placed at the main entrance. Wide angle color security cameras should be placed in rooms for better video.

Before buying a security camera system you should know what you are looking for. There are so many security camera systems available in the market that it may confuse you. Be very clear what you want from your security camera. It is also important to check from the vendor about the installation of camera and warranty.