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LED POLICE LIGHT BAR ADVANTAGES
Time:2016-05-14

``LED POLICE LIGHT BAR ADVANTAGES

Most police cars use roof-mounted bars of lights to attract the attention of drivers and pedestrians. A relatively new type of flashing light is the LED police light bar; it uses light-emitting diodes rather than halogen or incandescent bulbs. Although they aren't always the least expensive option, such light bars offer many advantages and save money over time.

LED police light bars will usually remain in service longer than the alternatives. LEDs perform well in outdoor conditions such as cold weather, according to the U.S. Department of Energy. They also prove very durable. Such lights generally last about 25 times longer than incandescent bulbs. These advantages reduce the long-term cost of repair and replacement, while preventing on-duty light failures.

The large number of separate diodes helps to boost the reliability of an LED police light. For example, model F5100A Full Size Light Bar contains 88 one-watt LEDs that brightly illuminate the area when combined. If one or two of them eventually fail, the light bar remains nearly as bright. Other bars contain far fewer halogen or incandescent bulbs, so the failure of a single bulb produces a much greater impact.

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Another of the advantages of an LED police light bar is the greater variety of flash patterns available. The large quantity of independent diodes allow the selection of different patterns suitable for a wide range of situations. For example, one full-size model offers 30 different flash patterns. One pattern may be more appropriate for stopping a speeding car and another for use during a parade.

LEDs use less power than equivalent halogen or incandescent bulbs. Although this isn't particularly important while driving, it reduces the draw on the battery of a parked police car with its lights flashing. This advantage may prove useful during a lengthy arrest, while responding to a traffic accident or when guiding the public around a blocked portion of the roadway.

LED light bars also weighs less. This makes it easier to install and remove from the top of an automobile. It also reduces the shipping costs involved in purchasing such lights and any replacement parts that may become necessary. Although it won't make a dramatic difference, the decreased total weight of the police car will slightly improve fuel economy and acceleration as well.

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