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.
The oesophagus or food pipe is part of the digestive system. It is also sometimes called the gullet. It is the tube that carries food from your mouth to your stomach. It is about 26cm (10.5 inches) long in adults.