Security is the main priority behind why people install a megapixel camera in key areas. The use of a megapixel security camera will do a lot to beef up surveillance. megapixel security cameras are designed to capture high quality images with efficiency and reliability. When shopping for a video camera one of the things you need to consider is durability. You need to have video camera surveillance equipment that can withstand the elements especially if you are planning to have a CCTV camera installation outside the office building.