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.
(flu) n. 1. a passage or duct for smoke in a chimney. 2. any duct or passage for air, gas, or the like. 3. a tube, esp. a large one, in a fire-tube boiler. 4. a narrow slit in the upper end of an organ pipe through which the air current is directed.