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3/4" Steel Door Recessed-Mount Magnetic Contact Switch
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10 Pack Magnetic Alarm Contact Switch, Window / Door Sensor, Surface Mount
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Magnetic door sensors | Behind The Scenes
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MC-52 Metal Wired Door And Window Magnetic Switch Sensor (Distance Sensor)
Honeywell 940 - Magnetic Door Contact and Window Contact - Alarm Grid
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Honeywell 945T - Mini Surface Mount Magnetic Contact with Screw Terminals - Alarm Grid
600 lb D-Series Embedded Magnetic Door Lock with Door Sensor - TechVision USA
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Upsite 200-MDS-001
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CyberPower Magnetic Door Sensor Switch (Carbon Rack) :
