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How do LED emergency light bars help? These bars serve several purposes for anyone using these businesses. Law enforcement uses them for safety. The flashing bars help signal to other drivers that the cops will have to move around them. It's also a signal for guarding to pull over. Cops also have to block traffic from accidents and crime conditions. The lighting acts as a visual signal in other situations as well. Security personnel use them as a deterrent or maybe a beacon of saf
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