3 Colors Railway Hand Signal Light

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3 Colors Railway Hand Signal Light instead of guiding way of the train operation by worker riding in the front , play a big role in railway directives, and has been in use today. 
3 Colors Railway Hand Signal Light adopts parabolic reflector system, has the characteristics of the condenser, distanced display . 
Selects the color ball type and tooth type color system combined pull (institutions), throw flexible positioning accurately, with functions of prevent "false" display. Top and bottom  isolated, can reduce mirror and operators by corrosion acid gas .Equipped with light bulbs, in case of urgent need.