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The strobes embedded in (or mounted above) a traffic signal is intended as an attention getter. (They're generally used more often in rural areas.) Inattentive drivers will sometimes drive right through a red light - particularly if it's been red the entire time it's been in their view. The human visual perception system is geared to notice changes, so a static red is more difficult to perceive than a light that has changed from green to amber to red.

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Q: What is the purpose of the strobe light within the red traffic light?
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What is the purpose of a car strobe light?

A car strobe light is used to get someones attention such as when a police officer is pulling someone over. It is also used to warn of danger or to get out of the way such as when an ambulance is hurrying by.


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The power output of a strobe light can vary depending on the size and type. Typically, a strobe light used for photography or small events can range from 25 to 400 watts, while larger strobe lights for professional events or concerts can range from 500 to 2000 watts. It is important to check the specifications provided by the manufacturer to determine the specific wattage for the strobe light in question.


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