... CE,ROHS,ISO9001:2008 200MM LED Mobile Traffic LihtFeatures1.Lower consumption2.Fashion deisgn3.Large viewing ... viewing distance8.Accord with international relational standardSpecifications Traffic LightColorred&yellow&greenQTY of LEDS61SLight Intensity2500-4000Wavelength ... solar charging controllerWireless communication between two trailers traffic lights,communication distance not less than 1kmProduct ...