![Amazon.com: BQLZR Cylindrical Plastic Mounted Reed Proximity Switch Magnetic Sensor Pack of 2 : Industrial & Scientific Amazon.com: BQLZR Cylindrical Plastic Mounted Reed Proximity Switch Magnetic Sensor Pack of 2 : Industrial & Scientific](https://m.media-amazon.com/images/I/614fSFOqKJL._AC_SL1500_.jpg)
Amazon.com: BQLZR Cylindrical Plastic Mounted Reed Proximity Switch Magnetic Sensor Pack of 2 : Industrial & Scientific
![Amazon.com: Reed Switch Developments Corp, 2230-1900-10K, Magnetic Reed Sensor + Actuator Kit, Plastic, SPDT - Form C, 20W 150V 1A, Qty: 1 Kit : Industrial & Scientific Amazon.com: Reed Switch Developments Corp, 2230-1900-10K, Magnetic Reed Sensor + Actuator Kit, Plastic, SPDT - Form C, 20W 150V 1A, Qty: 1 Kit : Industrial & Scientific](https://m.media-amazon.com/images/I/61r+4mz-vTL._SL1500_.jpg)
Amazon.com: Reed Switch Developments Corp, 2230-1900-10K, Magnetic Reed Sensor + Actuator Kit, Plastic, SPDT - Form C, 20W 150V 1A, Qty: 1 Kit : Industrial & Scientific
![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 12V 24V Light : Electronics 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 12V 24V Light : Electronics](https://m.media-amazon.com/images/S/aplus-media/sc/fbec6e2b-8435-43d2-a320-bb7c31f4ec50.__CR0,0,970,600_PT0_SX970_V1___.jpg)
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 12V 24V Light : Electronics
![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 12V 24V Light : Electronics 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 12V 24V Light : Electronics](https://m.media-amazon.com/images/I/51uuRZCY5SL._AC_SY355_.jpg)
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 12V 24V Light : Electronics
![Amazon.com: Reed Switch Developments Corp, 2020-1710-100, Magnetic Reed Sensor, Plastic, SPDT - Form C, 100W, 120V, 3 Amp, Qty: 1 : Industrial & Scientific Amazon.com: Reed Switch Developments Corp, 2020-1710-100, Magnetic Reed Sensor, Plastic, SPDT - Form C, 100W, 120V, 3 Amp, Qty: 1 : Industrial & Scientific](https://m.media-amazon.com/images/I/61MgVIScY9L._SL1500_.jpg)
Amazon.com: Reed Switch Developments Corp, 2020-1710-100, Magnetic Reed Sensor, Plastic, SPDT - Form C, 100W, 120V, 3 Amp, Qty: 1 : Industrial & Scientific
![Amazon.com: Taidacent 2 Way 12V Reed Relay Switch Magnetic Reed Switch Module Magnetic Control AC Switch Magnetic Reed Sensor : Industrial & Scientific Amazon.com: Taidacent 2 Way 12V Reed Relay Switch Magnetic Reed Switch Module Magnetic Control AC Switch Magnetic Reed Sensor : Industrial & Scientific](https://m.media-amazon.com/images/I/51mgYl60nsL._AC_SX522_.jpg)
Amazon.com: Taidacent 2 Way 12V Reed Relay Switch Magnetic Reed Switch Module Magnetic Control AC Switch Magnetic Reed Sensor : Industrial & Scientific
![Amazon.com: Reed Switch Developments Corp, 2250-1051-100, Magnetic Reed Sensor, Plastic, SPST - Form A, 25W, 200V, 1 Amp, Qty: 1 : Industrial & Scientific Amazon.com: Reed Switch Developments Corp, 2250-1051-100, Magnetic Reed Sensor, Plastic, SPST - Form A, 25W, 200V, 1 Amp, Qty: 1 : Industrial & Scientific](https://images-na.ssl-images-amazon.com/images/I/31xHKnexeGL._SR600%2C315_PIWhiteStrip%2CBottomLeft%2C0%2C35_PIStarRatingFIVE%2CBottomLeft%2C360%2C-6_SR600%2C315_SCLZZZZZZZ_FMpng_BG255%2C255%2C255.jpg)
Amazon.com: Reed Switch Developments Corp, 2250-1051-100, Magnetic Reed Sensor, Plastic, SPST - Form A, 25W, 200V, 1 Amp, Qty: 1 : Industrial & Scientific
![NC NO Door Window Contact Magnetic Reed Switch Alarm 3W 10-20mm: Switch Plates: Amazon.com: Industrial & Scientific NC NO Door Window Contact Magnetic Reed Switch Alarm 3W 10-20mm: Switch Plates: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/61QwzC+V5-L._SX342_.jpg)
NC NO Door Window Contact Magnetic Reed Switch Alarm 3W 10-20mm: Switch Plates: Amazon.com: Industrial & Scientific
![Amazon.com: Reed Switch Developments Corp, 2230-1051-100, Magnetic Reed Sensor, Plastic, SPST - Form A, 25W, 200V, 1 Amp : Industrial & Scientific Amazon.com: Reed Switch Developments Corp, 2230-1051-100, Magnetic Reed Sensor, Plastic, SPST - Form A, 25W, 200V, 1 Amp : Industrial & Scientific](https://m.media-amazon.com/images/I/512uwwRjwKL._SL1500_.jpg)
Amazon.com: Reed Switch Developments Corp, 2230-1051-100, Magnetic Reed Sensor, Plastic, SPST - Form A, 25W, 200V, 1 Amp : Industrial & Scientific
![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 12V 24V Light : Electronics 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 12V 24V Light : Electronics](https://m.media-amazon.com/images/S/aplus-media/sc/1fec4acf-ff6b-4970-bb20-055b58af1863.__CR0,0,300,300_PT0_SX300_V1___.jpg)