1.voltage:DC12V 2.light source:led 3.color:red,blue,amber ... waterproof DC12V LED traffic direction arrow warning light FS-2320-1APPLICATION:police car: guide the vehicles running , for example, ... etc.SPCIFICATION: 1Model No.FS-2320-12voltageDC12V3light source0.15W LED4LED lamp colorred, blue, amber, white5domes colorred, blue, amber, ... DIAGRAM: DC12V LED traffic direction arrow warning light FS-2320-1