Some alarm systems are tied to video surveillance systems so that current video of the intrusion area can be instantly displayed on a remote monitor, not to mention recorded. Some alarm systems use real-time audio and video monitoring technology to verify the legitimacy of an alarm.
Pipe(noun) any long tube or hollow body of wood, metal, earthenware, or the like: especially, one used as a conductor of water, steam, gas, etc. Pipe(noun) a small bowl with a hollow steam, -- used in smoking tobacco, and, sometimes, other substances.
Many industrial and government standards exist for the production of pipe and tubing. The term tube is also commonly applied to non-cylindrical sections, i.e., square or rectangular tubing. In general, pipe is the more common term in most of the world, whereas tube is more widely used in the United States. Both pipe and tube imply a level of rigidity and permanence, whereas a hose (or hosepipe) is usually portable and flexible.