{HEAD ~ a second lighting device controlling chip} having a second trigger terminal, a second output terminal, and {TAIL ~ a second signal}, wherein the second trigger terminal is coupled to the first output terminal and the second signal receiving interface is configured to receive the data packet 
{ HEAD ~ a second lighting device controlling chip } having a second trigger terminal , a second output terminal , and { TAIL ~ a second signal } , wherein the second trigger terminal is coupled to the first output terminal and the second signal receiving interface is configured to receive the data packet
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