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MC-31B Magnetic Reed Switch Wired Door Sensor Alarm NC NO Open Closed
$9.99
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Product Description
MC-31B Magnetic Reed Switch Wired Door Sensor Alarm NC NO Open Closed
The MC-31B is an important sensor component of an alarm system. Once powered, the sensor can operate with both NO (normally open) and NC (normally closed) door functions. For use with windows, safe doors, garage doors and more.
Package includes 2 switches, 2 sensors, and 4 strips of double sided tape for easy mounting.
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