Adding some extra eyes to watch over your property and environment, will greatly reduce the activities of miscreants and hoodlums, the video surveillance system can act as your second eye. The kind surveillance you will require will depend on the area and the level of security that is needed. The video surveillance system previously recorded video using analog signal, but due to innovations in technology it now uses digital signals to record activities. It works the way a computer works by storing data on the hard drive, and this allows large amount of data or video to be stored on a small disk with a much higher video quality. The video surveillance system can be installed to record sound if necessary, while the more advanced ones can record color in higher quality.
from Home Improvement:Security Articles from EzineArticles.com http://EzineArticles.com/9538789
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