![Amazon.com: Reed Switch Developments Corp, 2451-1965-100, Magnetic Reed Sensor, Aluminum, SPST - Form A, 40W, 400V, 2 Amp, Qty: 1 : Industrial & Scientific Amazon.com: Reed Switch Developments Corp, 2451-1965-100, Magnetic Reed Sensor, Aluminum, SPST - Form A, 40W, 400V, 2 Amp, Qty: 1 : Industrial & Scientific](https://m.media-amazon.com/images/I/61Ge4cu1DVL._SL1500_.jpg)
Amazon.com: Reed Switch Developments Corp, 2451-1965-100, Magnetic Reed Sensor, Aluminum, SPST - Form A, 40W, 400V, 2 Amp, Qty: 1 : 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/I/61X99aqKfAL._SL1001_.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: 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 : Electronics Amazon.com: 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 : Electronics](https://m.media-amazon.com/images/I/614t8OR-X2L._SX342_.jpg)
Amazon.com: 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 : Electronics
![Reed Switch Developments Corp, 2105-1091-600, Magnetic Reed Sensor, Plastic, SPST - Form A, 10W, 170V, 0.5 Amp : Industrial & Scientific - Amazon.com Reed Switch Developments Corp, 2105-1091-600, Magnetic Reed Sensor, Plastic, SPST - Form A, 10W, 170V, 0.5 Amp : Industrial & Scientific - Amazon.com](https://m.media-amazon.com/images/I/51OW1YItXrL._SX522_.jpg)