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 purpose of a pipette is to move some small amount of liquid from one place to another. As soon in the example, it's usually unmeasured. This is because its primary use is to transfer liquid. The purpose of a burette is to add controlled amount of liquid to a solution or container.