The lighting device may change color in {HEAD ~ response} to {TAIL ~ a data} read by the non physical contact data interface 
The lighting device may change color in { HEAD ~ response } to { TAIL ~ a data } read by the non physical contact data interface
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH