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SS131 Magnetic Door Contact Alerts When Door Is Opened
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Honeywell 5899 - Magnet for 5816 Wireless Door Sensor and Window Sensor - Alarm Grid
Honeywell 940 - Magnetic Door Contact and Window Contact - Alarm Grid
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Magnetic Door Switch Set - COM-13247 - SparkFun Electronics
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Upsite 200-MDS-001
Magnetic Counter Door Sensor | Tally Counter Store
Overhead Garage Door Magnetic Sensor by Seco-Larm - IoT Devices & Sensors | Relay Controllers, Current Monitoring & Vibration Sensors
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Magnetic Alarm Contact Switch, Window / Door Sensor, Surface Mount
VIP100: 2″ Surface Mount Magnetic Contact - Flair Electronics
MAG-SW
Magnetic Door Alarm Circuit using Hall Sensor
Door Sensor Node
TANE Wired Side Lead Surface Mount Magnetic Contact WHITE Color Alarm Window Security Magnetic Door Switch Magnetic Contact Switch Reed Switch Normally Open + UL Listed FM-102-WH-PK5 (Pack of 5) - Walmart.com
Amazon.com: Gikfun MC-38 Wired Door Sensor Magnetic Switch for Arduino EK1656 : Electronics
