![Amazon.com: Gebildet 20pcs Reed Switch Reed Contact Normally Open (N/O) Magnetic Induction Switch (2mm*14mm) : Industrial & Scientific Amazon.com: Gebildet 20pcs Reed Switch Reed Contact Normally Open (N/O) Magnetic Induction Switch (2mm*14mm) : Industrial & Scientific](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/61cmgeV-tFL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Gebildet 20pcs Reed Switch Reed Contact Normally Open (N/O) Magnetic Induction Switch (2mm*14mm) : Industrial & Scientific
![Amazon.com: Reed Switch Developments Corp, 2450-1960-100, Magnetic Reed Sensor, Aluminum, SPST - Form A, 60W, 400V, 3 Amp, Qty: 1 : Industrial & Scientific Amazon.com: Reed Switch Developments Corp, 2450-1960-100, Magnetic Reed Sensor, Aluminum, SPST - Form A, 60W, 400V, 3 Amp, Qty: 1 : Industrial & Scientific](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/61TY8Gg5ztL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: Reed Switch Developments Corp, 2450-1960-100, Magnetic Reed Sensor, Aluminum, SPST - Form A, 60W, 400V, 3 Amp, Qty: 1 : Industrial & Scientific
![Amazon.com: WOWOONE 5pcs Plastic Reed Switch Reed Contact Normally Open (N/O) Magnetic Induction Switch (2.5mm×14mm) with 10pcs Small Multi-Use Round Magnets : Industrial & Scientific Amazon.com: WOWOONE 5pcs Plastic Reed Switch Reed Contact Normally Open (N/O) Magnetic Induction Switch (2.5mm×14mm) with 10pcs Small Multi-Use Round Magnets : Industrial & Scientific](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/51jzh1hQ5CL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: WOWOONE 5pcs Plastic Reed Switch Reed Contact Normally Open (N/O) Magnetic Induction Switch (2.5mm×14mm) with 10pcs Small Multi-Use Round Magnets : 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 Light : 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 Light : Industrial & Scientific](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/31e0QzCUh2L._AC_UF350,350_QL80_.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 Light : Industrial & Scientific
![Amazon.com: Reed Switch Developments Corp, 2451-1051-100, Magnetic Reed Sensor, Aluminum, SPST - Form A, 25W, 200V, 1 Amp, Qty: 1 : Industrial & Scientific Amazon.com: Reed Switch Developments Corp, 2451-1051-100, Magnetic Reed Sensor, Aluminum, SPST - Form A, 25W, 200V, 1 Amp, Qty: 1 : Industrial & Scientific](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/61Ge4cu1DVL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: Reed Switch Developments Corp, 2451-1051-100, Magnetic Reed Sensor, Aluminum, SPST - Form A, 25W, 200V, 1 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/W/IMAGERENDERING_521856-T1/images/I/51mgYl60nsL._AC_UF894,1000_QL80_.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: 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 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](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/51uuRZCY5SL._AC_UF894,1000_QL80_.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 Light : Industrial & Scientific
![Amazon.com: Gebildet 10pcs Plastic Reed Switch Reed Contact Normally Open (N/O) Magnetic Induction Switch (3mm×14mm) : Industrial & Scientific Amazon.com: Gebildet 10pcs Plastic Reed Switch Reed Contact Normally Open (N/O) Magnetic Induction Switch (3mm×14mm) : Industrial & Scientific](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/61BRKNgYMsL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Gebildet 10pcs Plastic Reed Switch Reed Contact Normally Open (N/O) Magnetic Induction Switch (3mm×14mm) : Industrial & Scientific
![Cylewet 10Pcs Reed Switch Normally Open (N/O) Magnetic Induction Switch Electromagnetic for Arduino (Pack of 10) CYT1004: Amazon.com: Industrial & Scientific Cylewet 10Pcs Reed Switch Normally Open (N/O) Magnetic Induction Switch Electromagnetic for Arduino (Pack of 10) CYT1004: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/51PlG+FqxXL._AC_UF1000,1000_QL80_.jpg)
Cylewet 10Pcs Reed Switch Normally Open (N/O) Magnetic Induction Switch Electromagnetic for Arduino (Pack of 10) CYT1004: Amazon.com: Industrial & Scientific
![Amazon.com: SpeedDa 6 Sets Magnetic Reed Switch Normally Open Closed NC NO Door Alarm Window Security/Magnetic Door Switch/Magnetic Contact Switch/Reed Switch for GPS,Alarm or Other Device,DC 5V 12V 24V Light : Electronics Amazon.com: SpeedDa 6 Sets Magnetic Reed Switch Normally Open Closed NC NO Door Alarm Window Security/Magnetic Door Switch/Magnetic Contact Switch/Reed Switch for GPS,Alarm or Other Device,DC 5V 12V 24V Light : Electronics](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/61bSYE5aXgL._AC_UF894,1000_QL80_.jpg)
Amazon.com: SpeedDa 6 Sets Magnetic Reed Switch Normally Open Closed NC NO Door Alarm Window Security/Magnetic Door Switch/Magnetic Contact Switch/Reed Switch for GPS,Alarm or Other Device,DC 5V 12V 24V Light : Electronics
![Amazon.com: Magnetic Reed Switch,Wired Door Window Contact Sensor,Micro Normally Open NO Alarm Reed Switch,10W 100v 0.5A Magnetic Reed Switch to DC 5V 12V 24V Light(2-Pack) : Industrial & Scientific Amazon.com: Magnetic Reed Switch,Wired Door Window Contact Sensor,Micro Normally Open NO Alarm Reed Switch,10W 100v 0.5A Magnetic Reed Switch to DC 5V 12V 24V Light(2-Pack) : Industrial & Scientific](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/71Ru-maeENL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: Magnetic Reed Switch,Wired Door Window Contact Sensor,Micro Normally Open NO Alarm Reed Switch,10W 100v 0.5A Magnetic Reed Switch to DC 5V 12V 24V Light(2-Pack) : Industrial & Scientific
![Amazon.com: Reed Switch Developments Corp, 2010-1965-100, Magnetic Reed Sensor, Plastic, SPST - Form A, 40W, 400V, 2 Amp, Qty: 1 : Industrial & Scientific Amazon.com: Reed Switch Developments Corp, 2010-1965-100, Magnetic Reed Sensor, Plastic, SPST - Form A, 40W, 400V, 2 Amp, Qty: 1 : Industrial & Scientific](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/61cWWAuxtEL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: Reed Switch Developments Corp, 2010-1965-100, Magnetic Reed Sensor, Plastic, SPST - Form A, 40W, 400V, 2 Amp, Qty: 1 : Industrial & Scientific
![Gebildet 10pcs 4W 3 Pin Reed Switch Reed Contact Normally Open N/O N/C SPDT, Glass Reed Relay Magnetic Induction Switch (2.5mm x 14mm) Gebildet 10pcs 4W 3 Pin Reed Switch Reed Contact Normally Open N/O N/C SPDT, Glass Reed Relay Magnetic Induction Switch (2.5mm x 14mm)](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/51E9MOdtarL._AC_UF894,1000_QL80_.jpg)
Gebildet 10pcs 4W 3 Pin Reed Switch Reed Contact Normally Open N/O N/C SPDT, Glass Reed Relay Magnetic Induction Switch (2.5mm x 14mm)
![Amazon.com: SpzcdZa 2Sets Magnetic Reed Switch Normally Open Closed NC NO Door Alarm Window Security/Magnetic Door Switch/Magnetic Contact Switch/Reed Switch for GPS,Alarm or Other Device,DC 5V 12V 24V Light : Industrial & Amazon.com: SpzcdZa 2Sets Magnetic Reed Switch Normally Open Closed NC NO Door Alarm Window Security/Magnetic Door Switch/Magnetic Contact Switch/Reed Switch for GPS,Alarm or Other Device,DC 5V 12V 24V Light : Industrial &](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/51qicZtqQWL._AC_UF894,1000_QL80_.jpg)
Amazon.com: SpzcdZa 2Sets Magnetic Reed Switch Normally Open Closed NC NO Door Alarm Window Security/Magnetic Door Switch/Magnetic Contact Switch/Reed Switch for GPS,Alarm or Other Device,DC 5V 12V 24V Light : Industrial &
![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/W/IMAGERENDERING_521856-T1/images/I/61H8H9b8wHL.jpg)