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.
Definition of pipe for Students. 1 : a long tube or hollow body for carrying a substance (as water, steam, or gas) the exhaust pipe of a car underground water pipes. 2 : a musical instrument or part of a musical instrument consisting of a tube (as of wood or metal) played by blowing or having air passed through it.