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.
2. (the act or process of conveying water, gas etc by means of) a length of pipe or number of pipes. (of a sound) high-pitched. a piping voice. an idea which can only be imagined, and which would be impossible to carry out. a long line of pipes used for conveying oil, gas, water etc. an oil pipeline across the desert.