2gig DW20R Recessed Door Contact ETL Listed
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<b>[Product Information]</b><br>
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<li>Compact size, only 2 ½ in. long</li>
<li>Fully supervised</li>
<li>Lithium battery with 5 years life</li>
<li>Reed sensitivity: 0.625 in. (1.59 cm) minimum gap, 0.85 in. (2.16 cm) typical</li>
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