free installation alarm system
The larger the number of lines, the better resolution and picture quality you can expect. If you will use the security camera in places with poor light conditions, then you should choose the B/W chip cameras that produce better light sensitivity and greater resolution. Security camera systems are categorized into different types. Types of Professional Grade Security CamerasThis type of security camera has box type body that can use different sizes and types of lenses. This enables monitoring objects in any distance. This is ideal for indoor use, but is also recommended for outdoor as long as it has weatherproof housing. These cameras are widely used for commercial installations due to its flexibility. It generally offers great performance along with important features including the backlight compensation, lens control output and many more. The distance in monitoring the object is not an issue as it can utilize different lenses suitable to various locations. Installing this security camera is bit complicated that is why it is recommended to hire a professional to do the job. It is ideal for commercial installations.