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1)lightbar with LED display screen 2)Working voltage:DC12V/24V 3)Color:red,blue,amber,white 4)Materials:PC Lens,aluminum base 1)lightbar with LED display screen2)Working voltage:DC12V/24V3)Color:red,blue,amber,white4)Materials:PC Lens,aluminum baseStructure1. Information screen is composed of display,controller and installation accessory.2. Form made of high-performance PC material.Screen are ...