Opinion About SYSTEM SENSOR RRSMOD REVERSE RELAY MODULE FOR i3 Promo Offer

<img style="margin-right:10px" />Title: SYSTEM SENSOR RRSMOD REVERSE RELAY MODULE FOR i3<br />
ASIN: B003L2NOCA<br />
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Description: <p>The RRS-MOD polarity reversing relay/synchronization module is intended for use with 2-wire and 4-wire i3 series detectors equipped with a built-in sounder, models 2WTA-B, 4WTA-B, 4WTAR-B, and 4WITAR-B. It is designed to allow all the detectors in the same loop to sound when one of the detectors goes into alarm, and

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