5pcs Recessed NO Security Alarm Door Window Contacts Magnetic Switch

Wired Recessed Mounted Magnetic Sensor Reed Switch Alarm for Door Window

Basic magnetic switch for detecting door or window openings.
Easy to install for alarm contact connection.
Switch Type: NO(normal open type), circuit is connected when magnet is near the switch.

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Basic magnetic switch for detecting door or window openings.
Easy to install for alarm contact connection.
Switch Type: NO(normal open type), circuit is connected when magnet is near the switch.
- Basic magnetic switch for detecting door or window openings.
- Easy to install for alarm contact connection.
- Switch Type: NO(normal open type), circuit is connected when magnet is near the switch.
- Basic magnetic switch for detecting door or window openings.
- Easy to install for alarm contact connection.
- Switch Type: NO(normal open type), circuit is connected when magnet is near the switch.

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5pcs Recessed NO Security Alarm Door Window Contacts Magnetic Switch