200MM LED Mobile Traffic Light 1,Solar Panel,Traffic Light,Cart 2,Voltage:12V 3,Life50,000H 4,CE,ROHS, ... trailers,1set wireless controller(with 2pcs service controller)One set trailer include:1 set traffic lights,1pcs 30W solar panel,1pcs 65Ah ... our traffic controller system if necessary 200MM LED Mobile Traffic Light