FACTORS TO CONSIDER WHEN BUYING A VIDEO SURVEILLANCE SYSTEM
Number of Cameras
The number of cameras you need depends on the area to be covered and what you want to protect.
An image is only as good as its resolution. A higher resolution camera will result in in creased image quality.
The amount of storage needed depends on the number of cameras you have, the camera type, and how often you record.
Many cameras now offer additional features such as Night Vision, Remote Viewing and 2-Way Intercom Systems.