... .Red,blue,amber,white Detailed Product Description 1)lightbar with LED display screen2)Working voltage:DC12V/24V3)Color:red,blue,amber, ... Lens,aluminum base Structure1. Information screen is composed of display,controller and installation accessory.2. Form made of high ... of hardness aluminum alloy,the surface is deal with anodizing,with excellent rot proofing,graceful figure,superrority workmanship