Of course, the threshold level may be set by electronic means, or embodied as a computer readable medium including {HEAD ~ instructions} for setting {TAIL ~ the motion threshold} 
for setting
Of course , the threshold level may be set by electronic means , or embodied as a computer readable medium including { HEAD ~ instructions } for setting { TAIL ~ the motion threshold }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL