LED light bars are a relatively new development in the world of emergency lighting. Traditionally, emergency vehicles used a steady burning light, then rotating lights, strobe lights, and now LED light bars. There are different reasons why this new development has caused such excitement and each of which will be highlighted in this article One advantage of LED light bars is that they last long. This is mainly because LED lights do not use a filament, and so cannot burn out. This is very valuable to officers and other emergency vehicle operators as a brunt out light bar can be a nightmare while responding to an emergency. This also makes it cheaper in the long run as LED light bars do not require constant replacing. These light bars also use very little energy, which means they can be turned on for long periods of time without draining the car battery. This proves to be essential when an emergency vehicle needs to be at the scene of an incident for a long time. Secondly, LED light bars produce a very bright flashing light that can be seen from long distances. Emergency vehicles travel at very high speeds when responding to emergencies and it is essential that motorists see the vehicle approaching from far in order for them to react on time. LED light bars have proven to be most effective at this as they are the brightest available lights to date. The color of the light produced by the LED light bars is an intrinsic property of the light itself, and so do not require colored domes. The fact that they do not use colored domes improves the quality of the light produced as well as its intensity. Also light-emitting diodes are small and this means that the shape and size of LED light bars can be manipulated. For the first time, light bars that are not big and bulky have been in production. LED light bars can now be made to fit on the dash of the emergency vehicle, as well as on the visor. The advantages associated with this capabilities is undercover police can go about their work inconspicuous and can use the police lights only when necessary. Volunteer emergency workers have also benefited from this as the family car can be quickly turned into an emergency vehicle with flashing lights at the snap of a finger. Volunteer emergency workers also do not often like to be recognized, and so portable emergency light bars work best. The advantages of LED light bars are numerous, and these light bars prove both practical and efficient. There is however drawbacks to the use of LED light bars. The light bars use very little energy and so at the same time give off very little heat. This means that during frost or snow, the light is coved with frost. This can seriously compromise the security of the emergency vehicle user as well as other motorists as the flash given off by the light bar will be obscured by the snow or frost. LED light bars are also very expensive especially when there are other alternatives that work almost just as well such as strobe lights.
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