The module includes two sensors to generate movement data indicative of {TAIL ~ movement direction} and orientation changes of {HEAD ~ the device} 
The module includes two sensors to generate movement data indicative of { TAIL ~ movement direction } and orientation changes of { HEAD ~ the device }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD