If you are concerned about the security of your home or your business, surveillance cameras can be great for maintaining security. Knowing what is going on in and outside of your house or business can help protect you, your family and your things from intruders. If you want to monitor more than just one or two places inside or out of your house or business, a security camera system is perfect for you. A system comes with multiple cameras and receivers, and some come with digital video recorders so you can store your footage. Security camera systems can be a bit cumbersome and difficult to install because of their cords and cables.