road construction warning light 1,Easy installation 2,Wide application 3,2 years warranty 4,CE&ROHS certification road construction warning light:item:NBWS300LED Portable solar Road singal lights , solar portable traffic light , LED road signal light Solar Portable traffic light=traffic signal light + solar panel+ battery+ Mobile cart 1.Mousture and dust resistant:IP652.Warranty:1-2 years3.Lens: ...