![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-T2/images/I/51-RXo6JkDL.jpg)
Amazon.com: Gebildet 20pcs Reed Switch Reed Contact Normally Open (N/O) Magnetic Induction Switch (2mm*14mm) : 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 : 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 : Industrial & Scientific](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T2/images/S/aplus-media/sc/43505b73-1e20-4346-9899-e76529e36418.__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 : 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 : 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 : Industrial & Scientific](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T2/images/I/41wZWVQ3O3L._AC_.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 : 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://images-na.ssl-images-amazon.com/images/I/51jzh1hQ5CL._AC_UL200_SR200,200_.jpg)
Amazon.com: Gebildet 10pcs Plastic Reed Switch Reed Contact Normally Open (N/O) Magnetic Induction Switch (3mm×14mm) : 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 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-T2/images/I/61Rgr1NpbDL._AC_UF350,350_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: 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-T2/images/I/51t9a9eWDsL.jpg)
Amazon.com: Gebildet 10pcs Plastic Reed Switch Reed Contact Normally Open (N/O) Magnetic Induction Switch (3mm×14mm) : Industrial & Scientific
![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-T2/images/I/51-GNTdtMsL.jpg)
Amazon.com: Gebildet 20pcs Reed Switch Reed Contact Normally Open (N/O) Magnetic Induction Switch (2mm*14mm) : 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 : 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 : Industrial & Scientific](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T2/images/I/61FzE7IpDeL.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 : 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-T2/images/I/51rZvZLfvsL._QL92_SH45_SS200_.jpg)
Amazon.com: Gebildet 10pcs Plastic Reed Switch Reed Contact Normally Open (N/O) Magnetic Induction Switch (3mm×14mm) : Industrial & Scientific
![Amazon.com: Reed Switch Developments Corp, 2005-1965-100, Magnetic Reed Sensor, Plastic, SPST - Form A, 40W, 400V, 2 Amp, Qty: 1 : Industrial & Scientific Amazon.com: Reed Switch Developments Corp, 2005-1965-100, Magnetic Reed Sensor, Plastic, SPST - Form A, 40W, 400V, 2 Amp, Qty: 1 : Industrial & Scientific](https://m.media-amazon.com/images/I/71hAkdQDYAL._AC_UL320_.jpg)
Amazon.com: Reed Switch Developments Corp, 2005-1965-100, Magnetic Reed Sensor, Plastic, SPST - Form A, 40W, 400V, 2 Amp, Qty: 1 : 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 : 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 : Industrial & Scientific](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T2/images/I/61Ny3Hq4KJL.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 : 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 : 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 : Industrial & Scientific](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T2/images/I/611iYx9wZSL._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 12V 24V 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 12V 24V 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 12V 24V Light : Industrial & Scientific](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T2/images/I/51WpBIIWJeL._AC_.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 : 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-T2/images/I/51cJn9RLPtL._AC_.jpg)
Amazon.com: Gebildet 10pcs Plastic Reed Switch Reed Contact Normally Open (N/O) Magnetic Induction Switch (3mm×14mm) : Industrial & Scientific
![Amazon.com: uxcell Rolling Door Contact Magnetic Reed Switch Alarm with 3 Wires for N.O./N.C. Applications MC-51 : Industrial & Scientific Amazon.com: uxcell Rolling Door Contact Magnetic Reed Switch Alarm with 3 Wires for N.O./N.C. Applications MC-51 : Industrial & Scientific](https://m.media-amazon.com/images/I/614-qdnGybL.jpg)
Amazon.com: uxcell Rolling Door Contact Magnetic Reed Switch Alarm with 3 Wires for N.O./N.C. Applications MC-51 : Industrial & Scientific
![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-T2/images/I/51a2X5IiULL._AC_.jpg)
Amazon.com: Gebildet 20pcs Reed Switch Reed Contact Normally Open (N/O) Magnetic Induction Switch (2mm*14mm) : Industrial & Scientific
![Contatto Reed per Porta Contatto Magnetico Sensore per Porte e Finestre Cablato per Allarmi di Sicurezza per Porte, Finestre e Cassetti, Sistema d'allarme : Amazon.it: Fai da te Contatto Reed per Porta Contatto Magnetico Sensore per Porte e Finestre Cablato per Allarmi di Sicurezza per Porte, Finestre e Cassetti, Sistema d'allarme : Amazon.it: Fai da te](https://m.media-amazon.com/images/I/61uvznuYmWS._AC_SL1500_.jpg)
Contatto Reed per Porta Contatto Magnetico Sensore per Porte e Finestre Cablato per Allarmi di Sicurezza per Porte, Finestre e Cassetti, Sistema d'allarme : Amazon.it: Fai da te
![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://images-na.ssl-images-amazon.com/images/I/61osurboQIS._AC_UL900_SR615,900_.jpg)
Amazon.com: Gebildet 20pcs Reed Switch Reed Contact Normally Open (N/O) Magnetic Induction Switch (2mm*14mm) : 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://images-na.ssl-images-amazon.com/images/I/61k+eoabqXL._AC_UL600_SR600,600_.jpg)
Amazon.com: Gebildet 10pcs Plastic Reed Switch Reed Contact Normally Open (N/O) Magnetic Induction Switch (3mm×14mm) : 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 : 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 : Industrial & Scientific](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T2/images/I/413DUhrvsPL.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 : Industrial & Scientific
![Amazon.com: uxcell Rolling Door Contact Magnetic Reed Switch Alarm with 3 Wires for N.O./N.C. Applications MC-51 : Industrial & Scientific Amazon.com: uxcell Rolling Door Contact Magnetic Reed Switch Alarm with 3 Wires for N.O./N.C. Applications MC-51 : Industrial & Scientific](https://m.media-amazon.com/images/I/614-qdnGybL._AC_UF894,1000_QL80_.jpg)
Amazon.com: uxcell Rolling Door Contact Magnetic Reed Switch Alarm with 3 Wires for N.O./N.C. Applications MC-51 : Industrial & Scientific
![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-T2/images/I/41bDEHCtrxL._AC_.jpg)
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 Amazon.com: Gebildet 20pcs Reed Switch Reed Contact Normally Open (N/O) Magnetic Induction Switch (2mm*14mm) : Industrial & Scientific](https://images-na.ssl-images-amazon.com/images/I/61oWKv66DjL._AC_UL600_SR600,600_.jpg)