Surveillance technology offers numerous types of purposes and devices. These tools used for the protection and safety can be used inside or out. They are often portable instruments that are used at several locations or they could be devices that remain stationary. One kind of surveillance technology that is commonly used by both homeowners and business owners is a device that enables us to record or transmit sound or video information. It is possible to decide which type is more useful to you. When it comes to the security of your property or business, you can not be too careful.