RC-33 NC Recessed Magnetic Door Switch Security Sensor - 5 Sets, White
$16.99
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5 Sets RC-33 NC Magnetic Door Switch Security Contact Sensor Alarm - White
$16.99
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About this item
When the switch is near the magnet, the circuit conducts electricity (bright); When the switch is separated from the magnet, the circuit does not conduct electricity (lights out). Included Components magnetic door switch.
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