The police should respond quickly to a crime-in-progress call. For that reason,the police sirens will be very useful. How police sirens can be useful?

The police sirens, initially emerged in 1960s, have some benefits:

Increasing efficiency allowing emergencyservices to create different patterns

helping drivers andpedestrians make

the differentbetween a policecar, an ambulance

or a fire truck

helping policethemselves to getthrough the traffic

jam in order to have arapid reaction to a

crime-in-progress call.

Sources:https://www.majorpolicesupply.com/

http://www.express.co.uk/news/uk/602396/Criminals-arrest-police-blue-lights-sirenshttp://www.autoevolution.com/news/history-of-police-lights-and-sirens-the-terrifying-du

o-that-scares-away-criminals-42394-page3.html

https://www.facebook.com/majorpolicesupp

https://www.linkedin.com/company/major-police-supply

https://twitter.com/MajorPoliceSupp