Saving energy includes at least one object sensor that is coupled to {TAIL ~ at least one light} sensing if {HEAD ~ at least one object} is present adjacent to the at least one light 
Saving energy includes at least one object sensor that is coupled to { TAIL ~ at least one light } sensing if { HEAD ~ at least one object } is present adjacent to the at least one light
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH