1.voltage:DC12V 2.light source:led 3.color:red,blue,amber, ... functions 5.waterproof DC12V LED traffic direction arrow warning light FS-2320-2APPLICATION:police car: guide the vehicles running , ... security car, road-weeping lorry, etc.SPCIFICATION: 1Model No.FS-2320-22voltageDC12V3light source0.15W LED4LED lamp colorred, blue, amber, ... DIAGRAM: DC12V LED traffic direction arrow warning light FS-2320-2