20 Sets NC Magnetic Contacts Window Door Sensor Surface-Mounted Reed Switch Alar
$29.30
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SALE 20 Sets Magnetic Window Door Sensor Contacts - Surface-Mounted Reed Switch Alarm
$37.99$39.99
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About this item
When the magnet is near the switch, the signal is conductive; when it moves away, the signal disconnects. This functionality is ideal for Alarm systems. Here’s why you’ll love them:Key Features High-Quality Door Sensor Screws - Efficient Installation & Versatile Use.
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