Police lights look pretty much like the crowns of police cars. They are kept atop the roof of the car at its topmost point, exactly the way a crown is placed. And the police light are beautiful as well. The lights blink and sparkle like the gems on a crown does.
The light bar as a police light is very effective, especially LED light bars that are bright and have a large variety of flash patterns. This means that they can be seen from a long distance, giving motorists sufficient time to react. Strobe light bars are cheaper than LED lights and work almost just as well, although they are slowly becoming extinct. The light bar may also include a steady burning halogen light for illuminating accident scenes or dark alleys.
Police lights have bigger lamps whose functions are controlled by the microcomputer. Police lights having u shaped xenon tube are made by using very high quality material. LED police lights are also one of the common choices due to their several benefits. LED involves a semiconductor which converts the electricity into light. LED Lighting has a great advantage and is able to focus a beam of light in a better and effective way in comparison to other lighting forms such as fluorescent and incandescent bulbs. It can be placed in any police lights.
A police light is not however necessarily mounted. There are those that are made to be able to detach from the police cars. These can be concealed and are mostly used by undercover police officers who want to go about their business without being recognized. There can be mounted inside or outside the car. The ones that are mounted inside the police cars are made special to prevent them from filling the car with light. This type of police light is made small to provide for being concealed and retracted when it is needed for police work.