There are various camera surveillance terms. We find that by informing readers about the basic meaning of the camera surveillance terms, we help them to make informed decisions. Although we don’t sell over the counter camera surveillance products, but rather install complete security systems at client premises, we know that understanding what the features of a product are, is essential in buying decisions. One of the camera surveillance terms that you will come across is that of dual power. This simply refers to the fact that the specific camera surveillance equipment can operate on AC or DC Power, depending on the power requirements of the specific units. Resolution is another camera surveillance term often used. It refers to the quality of picture. The higher the resolution the better the image. Smart zoom is a feature that makes quick zooming into a specific part of an image possible. This has the benefit of faster identification of suspicious items on a person.