Video surveillance has been a popular security tool for years. And thanks to new breakthroughs in technology, security cameras are more effective than ever before. Banks, retail stores, and countless other end-users depend on the protection provided by video surveillance. And now the residential market is showing positive growth for the ability to monitor driveways, visitors at the door, and even nanny cams. Most systems have IP technology allowing users to view their cameras on their computer even while on vacation making it convenient to check up on things while you are gone. With the built in hard drive you can record events, and depending on the size review the recording back a few days or even a few weeks. If you capture an unfortunate event you can simply transfer it to a flash drive or CD and carry it to your local police department. Original source unknown.