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Amazon.com: Magnetic Reed Switch RC-36 NC/NO Recessed Wired Door Window Alarm, Magneti Door Switch, Contact Sensor, for Home Security and Burglar Alarm Systems, Sets of 3 : Tools & Home Improvement
Amazon.com: Reed Switch Developments Corp, 2100-1091-100, Magnetic Reed Sensor, Plastic, SPST - Form A, 10W, 170V, 0.5 Amp, Qty: 1, Black : Industrial & Scientific
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Amazon.com: BQLZR Cylindrical Plastic Mounted Reed Proximity Switch Magnetic Sensor Pack of 2 : Industrial & Scientific
Amazon.com: Reed Switch Developments Corp, 2020-1710-100, Magnetic Reed Sensor, Plastic, SPDT - Form C, 100W, 120V, 3 Amp, Qty: 1, Black : Industrial & Scientific
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Amazon.com: 3X Magnetic Reed Switch Normally Open Closed NC NO Door Alarm Window Security/Magnetic Door Switch/Magnetic Contact Switch/Reed Switch,to DC 5V Light : Industrial & Scientific
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