![Amazon.com : Treadmill Reed Switch RPM Sensor - Compatible with NordicTrack Treadmills - 165798 : Sports & Outdoors Amazon.com : Treadmill Reed Switch RPM Sensor - Compatible with NordicTrack Treadmills - 165798 : Sports & Outdoors](https://images-na.ssl-images-amazon.com/images/I/51qB9cnsxXL._AC_UL600_SR600,600_.jpg)
Amazon.com : Treadmill Reed Switch RPM Sensor - Compatible with NordicTrack Treadmills - 165798 : Sports & Outdoors
![Amazon.com: Uxcell Pneumatic Air Cylinder Magnetic Reed Switch Sensor with 1.8 m Lead Cable : Industrial & Scientific Amazon.com: Uxcell Pneumatic Air Cylinder Magnetic Reed Switch Sensor with 1.8 m Lead Cable : Industrial & Scientific](https://m.media-amazon.com/images/I/41-fJL77XRL._SR600%2C315_PIWhiteStrip%2CBottomLeft%2C0%2C35_PIStarRatingTHREE%2CBottomLeft%2C360%2C-6_SR600%2C315_SCLZZZZZZZ_FMpng_BG255%2C255%2C255.jpg)
Amazon.com: Uxcell Pneumatic Air Cylinder Magnetic Reed Switch Sensor with 1.8 m Lead Cable : Industrial & Scientific
![Amazon.com: 5Sets Magnetic Reed Switch, Magnetic Door Switch/Magnetic Contact Switch/Normally Open Closed NC NO Door Alarm Window Security, for DC 5V 12V 24V Light (white-31) : Industrial & Scientific Amazon.com: 5Sets Magnetic Reed Switch, Magnetic Door Switch/Magnetic Contact Switch/Normally Open Closed NC NO Door Alarm Window Security, for DC 5V 12V 24V Light (white-31) : Industrial & Scientific](https://m.media-amazon.com/images/I/61Jx3nQUTfL._AC_UF894,1000_QL80_.jpg)
Amazon.com: 5Sets Magnetic Reed Switch, Magnetic Door Switch/Magnetic Contact Switch/Normally Open Closed NC NO Door Alarm Window Security, for DC 5V 12V 24V Light (white-31) : Industrial & Scientific
![Amazon.com: Reed Switch Developments, 2250-1301-100, Reed Switch/Sensor, Plastic, SPDT - Form C, 20W, 150V, 1A, Qty: 1 : Industrial & Scientific Amazon.com: Reed Switch Developments, 2250-1301-100, Reed Switch/Sensor, Plastic, SPDT - Form C, 20W, 150V, 1A, Qty: 1 : Industrial & Scientific](https://m.media-amazon.com/images/I/7183vJNUi4L.jpg)
Amazon.com: Reed Switch Developments, 2250-1301-100, Reed Switch/Sensor, Plastic, SPDT - Form C, 20W, 150V, 1A, Qty: 1 : Industrial & Scientific
![Amazon.com: 5PCS Proximity Switch CS1-U for Air Pneumatic Cylinder Magnetic Reed Switch Proximity Sensor DC/AC 5-220V : Industrial & Scientific Amazon.com: 5PCS Proximity Switch CS1-U for Air Pneumatic Cylinder Magnetic Reed Switch Proximity Sensor DC/AC 5-220V : Industrial & Scientific](https://m.media-amazon.com/images/I/41L1Xo3g94L._AC_UF1000,1000_QL80_.jpg)
Amazon.com: 5PCS Proximity Switch CS1-U for Air Pneumatic Cylinder Magnetic Reed Switch Proximity Sensor DC/AC 5-220V : Industrial & Scientific
![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/61H8H9b8wHL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: BQLZR Cylindrical Plastic Mounted Reed Proximity Switch Magnetic Sensor Pack of 2 : 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/I/61TY8Gg5ztL.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: Baomain Pneumatic Air Cylinder Magnetic Reed Switch Sensor w 1.8m Lead Cable D-Z73 : Industrial & Scientific Amazon.com: Baomain Pneumatic Air Cylinder Magnetic Reed Switch Sensor w 1.8m Lead Cable D-Z73 : Industrial & Scientific](https://m.media-amazon.com/images/I/51IYBl4GZnL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: Baomain Pneumatic Air Cylinder Magnetic Reed Switch Sensor w 1.8m Lead Cable D-Z73 : Industrial & Scientific
![Magnetic Reed Switch RC-35 NC/NO Recessed Wired Door Window Alarm, Magneti Door Switch, Contact Sensor, for Home Security and Burglar Alarm Magnetic Reed Switch, Sets of 2: Amazon.com: Industrial & Scientific Magnetic Reed Switch RC-35 NC/NO Recessed Wired Door Window Alarm, Magneti Door Switch, Contact Sensor, for Home Security and Burglar Alarm Magnetic Reed Switch, Sets of 2: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/51PQX2OwiIL.jpg)
Magnetic Reed Switch RC-35 NC/NO Recessed Wired Door Window Alarm, Magneti Door Switch, Contact Sensor, for Home Security and Burglar Alarm Magnetic Reed Switch, Sets of 2: 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._AC_UF1000,1000_QL80_.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
![Amazon.com: Uxcell Pneumatic Air Cylinder Magnetic Reed Switch Sensor with 1.8 m Lead Cable : Industrial & Scientific Amazon.com: Uxcell Pneumatic Air Cylinder Magnetic Reed Switch Sensor with 1.8 m Lead Cable : Industrial & Scientific](https://m.media-amazon.com/images/I/51pZOSK7inL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Uxcell Pneumatic Air Cylinder Magnetic Reed Switch Sensor with 1.8 m Lead Cable : Industrial & Scientific
![Amazon.com: Sensor de interruptor magnético cilíndrico con sensor de cilindro de aire : Industrial y Científico Amazon.com: Sensor de interruptor magnético cilíndrico con sensor de cilindro de aire : Industrial y Científico](https://m.media-amazon.com/images/I/51ifDq+s2uL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Sensor de interruptor magnético cilíndrico con sensor de cilindro de aire : Industrial y Científico
![Amazon.com : VictorsHome Magnetic Reed Switch RC-36 NC Recessed Wired Window Door Contact Sensor for Home Security and Burglar Alarm Systems 10 Pcs : Electronics Amazon.com : VictorsHome Magnetic Reed Switch RC-36 NC Recessed Wired Window Door Contact Sensor for Home Security and Burglar Alarm Systems 10 Pcs : Electronics](https://m.media-amazon.com/images/I/5135eK5Ez0L._AC_UF894,1000_QL80_.jpg)
Amazon.com : VictorsHome Magnetic Reed Switch RC-36 NC Recessed Wired Window Door Contact Sensor for Home Security and Burglar Alarm Systems 10 Pcs : Electronics
![Amazon.com: Woljay Air Cylinder CS1-E LED Light Magnetic Reed Sensor Switch : Industrial & Scientific Amazon.com: Woljay Air Cylinder CS1-E LED Light Magnetic Reed Sensor Switch : Industrial & Scientific](https://m.media-amazon.com/images/I/31Me7s4NHXL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: Woljay Air Cylinder CS1-E LED Light Magnetic Reed Sensor Switch : Industrial & Scientific
![Amazon.com: 3.3V 5V Magnetic Switch Module DIY Kit Normally Open Magnetic Reed Module for SPC Exchange : Industrial & Scientific Amazon.com: 3.3V 5V Magnetic Switch Module DIY Kit Normally Open Magnetic Reed Module for SPC Exchange : Industrial & Scientific](https://m.media-amazon.com/images/I/61-dJjDKAcL._AC_UF894,1000_QL80_.jpg)
Amazon.com: 3.3V 5V Magnetic Switch Module DIY Kit Normally Open Magnetic Reed Module for SPC Exchange : Industrial & Scientific
![Amazon.com: 5Sets Magnetic Reed Switch, Magnetic Door Switch/Magnetic Contact Switch/Normally Open Closed NC NO Door Alarm Window Security, for DC 5V 12V 24V Light (Black-B31) : Industrial & Scientific Amazon.com: 5Sets Magnetic Reed Switch, Magnetic Door Switch/Magnetic Contact Switch/Normally Open Closed NC NO Door Alarm Window Security, for DC 5V 12V 24V Light (Black-B31) : Industrial & Scientific](https://m.media-amazon.com/images/I/61AQAFqiLgL._AC_UF894,1000_QL80_.jpg)
Amazon.com: 5Sets Magnetic Reed Switch, Magnetic Door Switch/Magnetic Contact Switch/Normally Open Closed NC NO Door Alarm Window Security, for DC 5V 12V 24V Light (Black-B31) : Industrial & Scientific
![Amazon.com: Reed Switch Evolución am2100 – 1091 – 10 – 01 2100 – 1091 – 100, Reed Interruptor/Sensor, de plástico, SPST – Forma de a, 10 W, 170 V, 0.5 Amp : Industrial y Científico Amazon.com: Reed Switch Evolución am2100 – 1091 – 10 – 01 2100 – 1091 – 100, Reed Interruptor/Sensor, de plástico, SPST – Forma de a, 10 W, 170 V, 0.5 Amp : Industrial y Científico](https://m.media-amazon.com/images/I/51oDTuJXnzL.jpg)
Amazon.com: Reed Switch Evolución am2100 – 1091 – 10 – 01 2100 – 1091 – 100, Reed Interruptor/Sensor, de plástico, SPST – Forma de a, 10 W, 170 V, 0.5 Amp : Industrial y Científico
![Amazon.com : RC-35 NC/NO Recessed Wired Window Door Contact Sensor Alarm Magnetic Reed Switch for Office Home Security System, Sets of 5 : Electronics Amazon.com : RC-35 NC/NO Recessed Wired Window Door Contact Sensor Alarm Magnetic Reed Switch for Office Home Security System, Sets of 5 : Electronics](https://m.media-amazon.com/images/I/51MeUZtiyHL._AC_UF894,1000_QL80_.jpg)
Amazon.com : RC-35 NC/NO Recessed Wired Window Door Contact Sensor Alarm Magnetic Reed Switch for Office Home Security System, Sets of 5 : Electronics
![Amazon.com: Magnetic Reed Switch RC-35 NC/NO Recessed Wired Door Window Alarm, Magneti Door Switch, Contact Sensor, for Home Security and Burglar Alarm Systems, Sets of 5, White : Tools & Home Improvement Amazon.com: Magnetic Reed Switch RC-35 NC/NO Recessed Wired Door Window Alarm, Magneti Door Switch, Contact Sensor, for Home Security and Burglar Alarm Systems, Sets of 5, White : Tools & Home Improvement](https://m.media-amazon.com/images/I/51oAeKP9PkL.jpg)
Amazon.com: Magnetic Reed Switch RC-35 NC/NO Recessed Wired Door Window Alarm, Magneti Door Switch, Contact Sensor, for Home Security and Burglar Alarm Systems, Sets of 5, White : Tools & Home Improvement
![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: 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](https://m.media-amazon.com/images/I/51cXQ8fbS7L._AC_UF894,1000_QL80_.jpg)
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: 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_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: Gebildet 4 Sets Recessed Wired Security Window Gate Contact Sensor Alarm Magnetic Reed Switch,Magnetic Door Sensor,Normally Open Magnetic Switch(Cylindrical,Brown) : Industrial & Scientific Amazon.com: Gebildet 4 Sets Recessed Wired Security Window Gate Contact Sensor Alarm Magnetic Reed Switch,Magnetic Door Sensor,Normally Open Magnetic Switch(Cylindrical,Brown) : Industrial & Scientific](https://m.media-amazon.com/images/I/61HuCaqQo9L._SY350_PKmb-play-button-overlay_.jpg)
Amazon.com: Gebildet 4 Sets Recessed Wired Security Window Gate Contact Sensor Alarm Magnetic Reed Switch,Magnetic Door Sensor,Normally Open Magnetic Switch(Cylindrical,Brown) : Industrial & Scientific
![Amazon.com: Reed Switch Developments Corp, 2105-1091-600, Magnetic Reed Sensor, Plastic, SPST - Form A, 10W, 170V, 0.5 Amp, Black : Industrial & Scientific Amazon.com: Reed Switch Developments Corp, 2105-1091-600, Magnetic Reed Sensor, Plastic, SPST - Form A, 10W, 170V, 0.5 Amp, Black : Industrial & Scientific](https://m.media-amazon.com/images/I/51OW1YItXrL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: Reed Switch Developments Corp, 2105-1091-600, Magnetic Reed Sensor, Plastic, SPST - Form A, 10W, 170V, 0.5 Amp, Black : Industrial & Scientific
![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 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](https://m.media-amazon.com/images/I/51oDTuJXnzL._AC_UF1000,1000_QL80_.jpg)
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
![Amazon.com: Baomain Magnetic Reed Sensor Switch D-A93 DC 10-30V 200mA sensor 10mm NO(Normally Open) for Pneumatic Air Cylinder : Industrial & Scientific Amazon.com: Baomain Magnetic Reed Sensor Switch D-A93 DC 10-30V 200mA sensor 10mm NO(Normally Open) for Pneumatic Air Cylinder : Industrial & Scientific](https://m.media-amazon.com/images/I/61quM3a0L4L._AC_UF1000,1000_QL80_.jpg)
Amazon.com: Baomain Magnetic Reed Sensor Switch D-A93 DC 10-30V 200mA sensor 10mm NO(Normally Open) for Pneumatic Air Cylinder : Industrial & Scientific
![Amazon.com: Hilitand Magnetic Sensor Reed Switch for Cylinder CS1-U Magnetic Air Pneumatic Cylinder NO Magnetic Reed Switch Sensor DC AC 5V- 240V : Industrial & Scientific Amazon.com: Hilitand Magnetic Sensor Reed Switch for Cylinder CS1-U Magnetic Air Pneumatic Cylinder NO Magnetic Reed Switch Sensor DC AC 5V- 240V : Industrial & Scientific](https://m.media-amazon.com/images/I/51DjSE2KKxL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: Hilitand Magnetic Sensor Reed Switch for Cylinder CS1-U Magnetic Air Pneumatic Cylinder NO Magnetic Reed Switch Sensor DC AC 5V- 240V : Industrial & Scientific
![Amazon.com: Reed Switch Developments Corp., 2060-1301-90K, Magnetic Reed Sensor + Actuator Kit, Plastic, SPST - Form B, 5W 175V 0.25A, Qty: 1 Kit : Industrial & Scientific Amazon.com: Reed Switch Developments Corp., 2060-1301-90K, Magnetic Reed Sensor + Actuator Kit, Plastic, SPST - Form B, 5W 175V 0.25A, Qty: 1 Kit : Industrial & Scientific](https://m.media-amazon.com/images/I/71m-b2ZvTkL._AC_UF1000,1000_QL80_.jpg)