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Optex Redwall Outdoor Detector
Santoria S
Santoria S May 06, 2013
Optex Redwall Outdoor Detector

I've seen these sensors...

Often 0
Occasionally 5
Rarely 1
Never 3
What is it? 2
0 Comments     11 Tags
Similar Photos: smart stadium : read article<br/>http://en.wikipedia.<wbr/><span class="wbr"></span>org/wiki/Yankee_Stad<wbr/><span class="wbr"></span>ium CH4 (Methane) Gas Sensor..  http://www.parallax.<wbr/><span class="wbr"></span>com/Store/Sensors/Al<wbr/><span class="wbr"></span>lSensors/tabid/760/C<wbr/><span class="wbr"></span>ategoryID/46/List/0/<wbr/><span class="wbr"></span>SortField/0/Level/a/<wbr/><span class="wbr"></span>ProductID/55 Gate of University library which requires student's ID card to get in. This gate has sensor that react to ID card.

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