Shop reed switch sensor

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$17.99
Sopepoyie RC-36 NC/NO Recessed Wired Security Window Door Contact Sensor Brown Alarm Magnetic Reed Switch 5 Sets
Amazon.com
$17.99
Sopepoyie RC-36 NC/NO Recessed Wired Security Window Door Contact Sensor Brown Alarm Magnetic Reed Switch 5 Sets
Amazon.com
$3.12
10PCS MKA14103 Reed Switch 2 14mm Green Glass Reed Switch Magnetic Control Switch Normally Open
AliExpress
$3.12
10PCS MKA14103 Reed Switch 2 14mm Green Glass Reed Switch Magnetic Control Switch Normally Open
AliExpress
$20.55
Uxcell 10Pcs RC-36 NC Recessed Wired Security Window Door Contact Sensor Alarm Magnetic Reed Switch White | Harfington
harfington
$20.55
Uxcell 10Pcs RC-36 NC Recessed Wired Security Window Door Contact Sensor Alarm Magnetic Reed Switch White | Harfington
harfington
$8.97
QWORK MC-31 Wired Surface-Mounted NC Magnetic Door Window Contact Sensor Alarm Reed Switch, White, Pack Of 10 With 40 Screws
Amazon.com
$8.97
QWORK MC-31 Wired Surface-Mounted NC Magnetic Door Window Contact Sensor Alarm Reed Switch, White, Pack Of 10 With 40 Screws
Amazon.com
$15.99
5Sets MC-31B Magnetic Reed Switch Wired Surface Mount Normally Open Closed NC NO Door Contact Sensor Alarm Magnetic Door Switch Black
Amazon.com
$15.99
5Sets MC-31B Magnetic Reed Switch Wired Surface Mount Normally Open Closed NC NO Door Contact Sensor Alarm Magnetic Door Switch Black
Amazon.com
$2.84
$5.52
5PCS Plastic Type Reed Switch 2 14 GPS-14B Normally Open Magnetic Switch Anti Vibration GPS14B
AliExpress
48% off
$2.84
$5.52
5PCS Plastic Type Reed Switch 2 14 GPS-14B Normally Open Magnetic Switch Anti Vibration GPS14B
AliExpress
$24.99
Bnafes Magnetic Reed Switch MC-33C Normally Closed Recessed Window Door Contact Sensor Alarm Magnetic Reed Switch - (10 Sets)
Amazon.com
$24.99
Bnafes Magnetic Reed Switch MC-33C Normally Closed Recessed Window Door Contact Sensor Alarm Magnetic Reed Switch - (10 Sets)
Amazon.com
$7.99
$9.99
Weidder (15Pcs) 10Pcs Glass Reed Switch 5Pcs Plastic Reed Switch Normally Open (N/O) Contact Magnetic Induction Switch 2.5mm×14mm With 15Pcs Small
Amazon.com
20% off
$7.99
$9.99
Weidder (15Pcs) 10Pcs Glass Reed Switch 5Pcs Plastic Reed Switch Normally Open (N/O) Contact Magnetic Induction Switch 2.5mm×14mm With 15Pcs Small
Amazon.com
$9.99
FOCMKEAS Magnetic Reed Switch Wired Surface Mount Normally Closed NC Contact Sensor Alarm Magnetic Door Switch With 2 Wires, Zinc Alloy Sliver, MC-56
Amazon.com
$9.99
FOCMKEAS Magnetic Reed Switch Wired Surface Mount Normally Closed NC Contact Sensor Alarm Magnetic Door Switch With 2 Wires, Zinc Alloy Sliver, MC-56
Amazon.com
$10.49
PATIKIL Magnetic Reed Switch, 1 Set Normally Open NO Wired Surface-Mounted Door Window Contact Switch
Amazon.com
$10.49
PATIKIL Magnetic Reed Switch, 1 Set Normally Open NO Wired Surface-Mounted Door Window Contact Switch
Amazon.com
$10.69
Yuecoom CS1-U Magnetic Reed Switch, Air Cylinder Magnetic Sensor Switch, Air Pneumatic Cylinder Proximity Sensor SPST Normally Open Type Magnetic Door
Amazon.com
Free shipping
$10.69
Yuecoom CS1-U Magnetic Reed Switch, Air Cylinder Magnetic Sensor Switch, Air Pneumatic Cylinder Proximity Sensor SPST Normally Open Type Magnetic Door
Amazon.com
$16.99
5Sets Magnetic Reed Switch, Magnetic Door Switch/Magnetic Contact Switch/Normally Open Closed NC NO Door Alarm Window Security, For DC 5V 12V 24V
Amazon.com
$16.99
5Sets Magnetic Reed Switch, Magnetic Door Switch/Magnetic Contact Switch/Normally Open Closed NC NO Door Alarm Window Security, For DC 5V 12V 24V
Amazon.com
$17.99
MC-33C Normally Closed Recessed Window Door Contact Sensor Alarm Magnetic Reed Switch - (6 Sets)
Amazon.com
$17.99
MC-33C Normally Closed Recessed Window Door Contact Sensor Alarm Magnetic Reed Switch - (6 Sets)
Amazon.com
$9.69
Dairzitv RC-36 Recessed NC Security Alarm Door Window Contact Sensor Magnetic Reed Switch 5 Pcs
Amazon.com
$9.69
Dairzitv RC-36 Recessed NC Security Alarm Door Window Contact Sensor Magnetic Reed Switch 5 Pcs
Amazon.com
$1.26
$1.57
10Pcs 4x28mm Reed Switch Sensor Normally Open DIY Magnetic Reed Switchs Electronic NO 428mm
AliExpress
Free shipping
19% off
$1.26
$1.57
10Pcs 4x28mm Reed Switch Sensor Normally Open DIY Magnetic Reed Switchs Electronic NO 428mm
AliExpress
$5.99
Fielect MC-44B Surface Mount Wired NC Door Contact Sensor Alarm Magnetic Reed Switch White
Amazon.com
$5.99
Fielect MC-44B Surface Mount Wired NC Door Contact Sensor Alarm Magnetic Reed Switch White
Amazon.com
$9.99
EPLZON Magnetic Reed Switch Normally Open And Normally Closed NC NO Magnetic Proximity Switch For Door Alarm, Window Safety, DC 5V 12V 24V Light GPS
Amazon.com
$9.99
EPLZON Magnetic Reed Switch Normally Open And Normally Closed NC NO Magnetic Proximity Switch For Door Alarm, Window Safety, DC 5V 12V 24V Light GPS
Amazon.com
$20.18
$26.90
100Pcs Plastic Reed Switch 311mm 3x11mm Magnetic Reed Switchs Sensor Normally Open NO Induction DIY
AliExpress
24% off
$20.18
$26.90
100Pcs Plastic Reed Switch 311mm 3x11mm Magnetic Reed Switchs Sensor Normally Open NO Induction DIY
AliExpress
$7.69
Uxcell N.C. Recessed Wired Security Window Door Contact Sensor Alarm Magnetic Reed Switch White RC35
Amazon.com
$7.69
Uxcell N.C. Recessed Wired Security Window Door Contact Sensor Alarm Magnetic Reed Switch White RC35
Amazon.com
$7.05
$19.61
5PCS Plastic Type Reed Switch 2.714 Normally Open Magnetic Control Switch GPS-14A
AliExpress
64% off
$7.05
$19.61
5PCS Plastic Type Reed Switch 2.714 Normally Open Magnetic Control Switch GPS-14A
AliExpress
$31.63
Magnetic Reed Switch, 10 Pack NO NC Door Sensor Window Contact Switch, Brown | Harfington
harfington
$31.63
Magnetic Reed Switch, 10 Pack NO NC Door Sensor Window Contact Switch, Brown | Harfington
harfington
$8.99
2 Set Magnetic Reed Switch NO/NC, Wired Surface Mount Door Window Contact Sensor For Security Alarm, Silver
Amazon.com
$8.99
2 Set Magnetic Reed Switch NO/NC, Wired Surface Mount Door Window Contact Sensor For Security Alarm, Silver
Amazon.com
$5.99
Tissting 10-Pack MR-33C Magnetic Reed Switches, 15-20mm Action Distance - Normally Closed Contact Sensors For Hidden Door Window Security Alarm
Amazon.com
$5.99
Tissting 10-Pack MR-33C Magnetic Reed Switches, 15-20mm Action Distance - Normally Closed Contact Sensors For Hidden Door Window Security Alarm
Amazon.com
$17.40
Kiligen 10Pcs Plastic Reed Switch Magnetic Induction Switch Reed Switch Reed Contact Normally Close (0.1 X 0.5 Inch (3 m
Everymarket INC
$17.40
Kiligen 10Pcs Plastic Reed Switch Magnetic Induction Switch Reed Switch Reed Contact Normally Close (0.1 X 0.5 Inch (3 m
Everymarket INC
$26.76
Magnetic Reed Switch, 10 Pack NO NC Ring Alarm Contact Sensor Switch, White | Harfington
harfington
$26.76
Magnetic Reed Switch, 10 Pack NO NC Ring Alarm Contact Sensor Switch, White | Harfington
harfington
$16.18
Magnetic Reed Switch, 5 Pack NO NC Ring Alarm Contact Sensor Switch, White | Harfington
harfington
$16.18
Magnetic Reed Switch, 5 Pack NO NC Ring Alarm Contact Sensor Switch, White | Harfington
harfington
$0.84
Littelfuse MATE-12B-12-18 Reed Switch, Spst-No, 0.5A, 200Vdc, Th | Reed Switches & Magnetic Switches
Newark
$0.84
Littelfuse MATE-12B-12-18 Reed Switch, Spst-No, 0.5A, 200Vdc, Th | Reed Switches & Magnetic Switches
Newark
$8.47
Uxcell 2Pcs RC-36 NC Recessed Wired Security Window Door Contact Sensor Alarm Magnetic Reed Switch White | Harfington
harfington
$8.47
Uxcell 2Pcs RC-36 NC Recessed Wired Security Window Door Contact Sensor Alarm Magnetic Reed Switch White | Harfington
harfington
$17.99
5Sets Magnetic Reed Switch, Magnetic Door Switch/Magnetic Contact Switch/Normally Open Closed NC NO Door Alarm Window Security, For DC 5V 12V 24V
Amazon.com
$17.99
5Sets Magnetic Reed Switch, Magnetic Door Switch/Magnetic Contact Switch/Normally Open Closed NC NO Door Alarm Window Security, For DC 5V 12V 24V
Amazon.com
$18.49
Uxcell Rolling Door Contact Magnetic Reed Switch Alarm With 3 Wires For N.O./N.C. Applications OC-55
Amazon.com
$18.49
Uxcell Rolling Door Contact Magnetic Reed Switch Alarm With 3 Wires For N.O./N.C. Applications OC-55
Amazon.com
$27.20
Proximity Switch Multicomp Pro | Reed Proximity Sensors
Newark
$27.20
Proximity Switch Multicomp Pro | Reed Proximity Sensors
Newark
$26.78
4 Pcs/Set Reed Sensor Module Magnetic Switch Module Diy Kit Normally Open For
Everymarket INC
$26.78
4 Pcs/Set Reed Sensor Module Magnetic Switch Module Diy Kit Normally Open For
Everymarket INC
$3.55
$3.67
5-10Pcs 100% Original Reed Switch 3 Pin 2.5x14mm Magnetic Switch Normally Open And Normally Closed
AliExpress
$3.55
$3.67
5-10Pcs 100% Original Reed Switch 3 Pin 2.5x14mm Magnetic Switch Normally Open And Normally Closed
AliExpress
$26.54
Victorshome Magnetic Reed Switch No Surface Mount Wired Door Window Contact Sensor With Cover For Home Security And Burglar Alarm Systems Mc31 5Pcs
alumigogo
$26.54
Victorshome Magnetic Reed Switch No Surface Mount Wired Door Window Contact Sensor With Cover For Home Security And Burglar Alarm Systems Mc31 5Pcs
alumigogo
$39.32
Runcci Yun 4 X Magnetic Reed Switch Normally Open Closed Nc No Door Alarm Window Security/Magnetic Door Switch/Magnetic
Everymarket INC
$39.32
Runcci Yun 4 X Magnetic Reed Switch Normally Open Closed Nc No Door Alarm Window Security/Magnetic Door Switch/Magnetic
Everymarket INC
$54.52
Hailege 10Pcs Glass Seal Reed Switch Normal Close Magnetic Induction Switch Electromagnetic Normal Close Reed Switch N/C
Everymarket INC
$54.52
Hailege 10Pcs Glass Seal Reed Switch Normal Close Magnetic Induction Switch Electromagnetic Normal Close Reed Switch N/C
Everymarket INC
How a Reed Switch Works Magnetic Sensor Explained with Real Examples
2:00
YouTubemeasure and automate
How a Reed Switch Works Magnetic Sensor Explained with Real Examples
Discover how reed switches work and why they are essential in many electronic and automation applications. In this video, we explain the principle behind reed switches, how they react to magnetic fields, and show practical real-life examples such as door sensors and home appliances. 👉 Perfect for students, engineers, and DIY enthusiasts who ...
2.1K views11 months ago
Reed Switch Applications
Reed Switch Working and Applications #reed #megnetic
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Reed Switch Working and Applications #reed #megnetic
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18.1K viewsApr 11, 2025
Reed Switch Working Principle – Live Demonstration
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Reed Switch Working Principle – Live Demonstration
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16 views1 month ago
Reed switch magnetic switch working and circuit #cbtronics #shortvideo
0:26
Reed switch magnetic switch working and circuit #cbtronics #shortvideo
YouTubeCBtronics
1.4K views5 months ago
Top videos
How to Use a Reed Switch with Arduino (Lesson #30)
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Shop reed switch sensor

Sponsored
About our ads
$16.99
5Sets Magnetic Reed Switch, Magnetic Door Switch/Magnetic Contact Switch/Normally Open Closed NC NO Door Alarm Window Security, For DC 5V 12V 24V
Amazon.com
$16.99
5Sets Magnetic Reed Switch, Magnetic Door Switch/Magnetic Contact Switch/Normally Open Closed NC NO Door Alarm Window Security, For DC 5V 12V 24V
Amazon.com
$17.99
MC-33C Normally Closed Recessed Window Door Contact Sensor Alarm Magnetic Reed Switch - (6 Sets)
Amazon.com
$17.99
MC-33C Normally Closed Recessed Window Door Contact Sensor Alarm Magnetic Reed Switch - (6 Sets)
Amazon.com
$9.69
Dairzitv RC-36 Recessed NC Security Alarm Door Window Contact Sensor Magnetic Reed Switch 5 Pcs
Amazon.com
$9.69
Dairzitv RC-36 Recessed NC Security Alarm Door Window Contact Sensor Magnetic Reed Switch 5 Pcs
Amazon.com
$1.26
$1.57
10Pcs 4x28mm Reed Switch Sensor Normally Open DIY Magnetic Reed Switchs Electronic NO 428mm
AliExpress
Free shipping
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10Pcs 4x28mm Reed Switch Sensor Normally Open DIY Magnetic Reed Switchs Electronic NO 428mm
AliExpress
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Fielect MC-44B Surface Mount Wired NC Door Contact Sensor Alarm Magnetic Reed Switch White
Amazon.com
$5.99
Fielect MC-44B Surface Mount Wired NC Door Contact Sensor Alarm Magnetic Reed Switch White
Amazon.com
$9.99
EPLZON Magnetic Reed Switch Normally Open And Normally Closed NC NO Magnetic Proximity Switch For Door Alarm, Window Safety, DC 5V 12V 24V Light GPS
Amazon.com
$9.99
EPLZON Magnetic Reed Switch Normally Open And Normally Closed NC NO Magnetic Proximity Switch For Door Alarm, Window Safety, DC 5V 12V 24V Light GPS
Amazon.com
$8.99
2 Set Magnetic Reed Switch NO/NC, Wired Surface Mount Door Window Contact Sensor For Security Alarm, Silver
Amazon.com
$8.99
2 Set Magnetic Reed Switch NO/NC, Wired Surface Mount Door Window Contact Sensor For Security Alarm, Silver
Amazon.com
$5.99
Tissting 10-Pack MR-33C Magnetic Reed Switches, 15-20mm Action Distance - Normally Closed Contact Sensors For Hidden Door Window Security Alarm
Amazon.com
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Tissting 10-Pack MR-33C Magnetic Reed Switches, 15-20mm Action Distance - Normally Closed Contact Sensors For Hidden Door Window Security Alarm
Amazon.com
$20.18
$26.90
100Pcs Plastic Reed Switch 311mm 3x11mm Magnetic Reed Switchs Sensor Normally Open NO Induction DIY
AliExpress
24% off
$20.18
$26.90
100Pcs Plastic Reed Switch 311mm 3x11mm Magnetic Reed Switchs Sensor Normally Open NO Induction DIY
AliExpress
$7.69
Uxcell N.C. Recessed Wired Security Window Door Contact Sensor Alarm Magnetic Reed Switch White RC35
Amazon.com
$7.69
Uxcell N.C. Recessed Wired Security Window Door Contact Sensor Alarm Magnetic Reed Switch White RC35
Amazon.com
$17.99
5Sets Magnetic Reed Switch, Magnetic Door Switch/Magnetic Contact Switch/Normally Open Closed NC NO Door Alarm Window Security, For DC 5V 12V 24V
Amazon.com
$17.99
5Sets Magnetic Reed Switch, Magnetic Door Switch/Magnetic Contact Switch/Normally Open Closed NC NO Door Alarm Window Security, For DC 5V 12V 24V
Amazon.com
$18.49
Uxcell Rolling Door Contact Magnetic Reed Switch Alarm With 3 Wires For N.O./N.C. Applications OC-55
Amazon.com
$18.49
Uxcell Rolling Door Contact Magnetic Reed Switch Alarm With 3 Wires For N.O./N.C. Applications OC-55
Amazon.com
$7.05
$19.61
5PCS Plastic Type Reed Switch 2.714 Normally Open Magnetic Control Switch GPS-14A
AliExpress
64% off
$7.05
$19.61
5PCS Plastic Type Reed Switch 2.714 Normally Open Magnetic Control Switch GPS-14A
AliExpress
$31.63
Magnetic Reed Switch, 10 Pack NO NC Door Sensor Window Contact Switch, Brown | Harfington
harfington
$31.63
Magnetic Reed Switch, 10 Pack NO NC Door Sensor Window Contact Switch, Brown | Harfington
harfington
$3.55
$3.67
5-10Pcs 100% Original Reed Switch 3 Pin 2.5x14mm Magnetic Switch Normally Open And Normally Closed
AliExpress
$3.55
$3.67
5-10Pcs 100% Original Reed Switch 3 Pin 2.5x14mm Magnetic Switch Normally Open And Normally Closed
AliExpress
$17.40
Kiligen 10Pcs Plastic Reed Switch Magnetic Induction Switch Reed Switch Reed Contact Normally Close (0.1 X 0.5 Inch (3 m
Everymarket INC
$17.40
Kiligen 10Pcs Plastic Reed Switch Magnetic Induction Switch Reed Switch Reed Contact Normally Close (0.1 X 0.5 Inch (3 m
Everymarket INC
$26.76
Magnetic Reed Switch, 10 Pack NO NC Ring Alarm Contact Sensor Switch, White | Harfington
harfington
$26.76
Magnetic Reed Switch, 10 Pack NO NC Ring Alarm Contact Sensor Switch, White | Harfington
harfington
$16.18
Magnetic Reed Switch, 5 Pack NO NC Ring Alarm Contact Sensor Switch, White | Harfington
harfington
$16.18
Magnetic Reed Switch, 5 Pack NO NC Ring Alarm Contact Sensor Switch, White | Harfington
harfington

Shop reed switch sensor

Sponsored
About our ads
$17.99
Sopepoyie RC-36 NC/NO Recessed Wired Security Window Door Contact Sensor Brown Alarm Magnetic Reed Switch 5 Sets
Amazon.com
$17.99
Sopepoyie RC-36 NC/NO Recessed Wired Security Window Door Contact Sensor Brown Alarm Magnetic Reed Switch 5 Sets
Amazon.com
$3.12
10PCS MKA14103 Reed Switch 2 14mm Green Glass Reed Switch Magnetic Control Switch Normally Open
AliExpress
$3.12
10PCS MKA14103 Reed Switch 2 14mm Green Glass Reed Switch Magnetic Control Switch Normally Open
AliExpress
$20.55
Uxcell 10Pcs RC-36 NC Recessed Wired Security Window Door Contact Sensor Alarm Magnetic Reed Switch White | Harfington
harfington
$20.55
Uxcell 10Pcs RC-36 NC Recessed Wired Security Window Door Contact Sensor Alarm Magnetic Reed Switch White | Harfington
harfington
$8.97
QWORK MC-31 Wired Surface-Mounted NC Magnetic Door Window Contact Sensor Alarm Reed Switch, White, Pack Of 10 With 40 Screws
Amazon.com
$8.97
QWORK MC-31 Wired Surface-Mounted NC Magnetic Door Window Contact Sensor Alarm Reed Switch, White, Pack Of 10 With 40 Screws
Amazon.com
$15.99
5Sets MC-31B Magnetic Reed Switch Wired Surface Mount Normally Open Closed NC NO Door Contact Sensor Alarm Magnetic Door Switch Black
Amazon.com
$15.99
5Sets MC-31B Magnetic Reed Switch Wired Surface Mount Normally Open Closed NC NO Door Contact Sensor Alarm Magnetic Door Switch Black
Amazon.com
$2.84
$5.52
5PCS Plastic Type Reed Switch 2 14 GPS-14B Normally Open Magnetic Switch Anti Vibration GPS14B
AliExpress
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$2.84
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5PCS Plastic Type Reed Switch 2 14 GPS-14B Normally Open Magnetic Switch Anti Vibration GPS14B
AliExpress
$24.99
Bnafes Magnetic Reed Switch MC-33C Normally Closed Recessed Window Door Contact Sensor Alarm Magnetic Reed Switch - (10 Sets)
Amazon.com
$24.99
Bnafes Magnetic Reed Switch MC-33C Normally Closed Recessed Window Door Contact Sensor Alarm Magnetic Reed Switch - (10 Sets)
Amazon.com
$7.99
$9.99
Weidder (15Pcs) 10Pcs Glass Reed Switch 5Pcs Plastic Reed Switch Normally Open (N/O) Contact Magnetic Induction Switch 2.5mm×14mm With 15Pcs Small
Amazon.com
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Weidder (15Pcs) 10Pcs Glass Reed Switch 5Pcs Plastic Reed Switch Normally Open (N/O) Contact Magnetic Induction Switch 2.5mm×14mm With 15Pcs Small
Amazon.com
$9.99
FOCMKEAS Magnetic Reed Switch Wired Surface Mount Normally Closed NC Contact Sensor Alarm Magnetic Door Switch With 2 Wires, Zinc Alloy Sliver, MC-56
Amazon.com
$9.99
FOCMKEAS Magnetic Reed Switch Wired Surface Mount Normally Closed NC Contact Sensor Alarm Magnetic Door Switch With 2 Wires, Zinc Alloy Sliver, MC-56
Amazon.com
$10.49
PATIKIL Magnetic Reed Switch, 1 Set Normally Open NO Wired Surface-Mounted Door Window Contact Switch
Amazon.com
$10.49
PATIKIL Magnetic Reed Switch, 1 Set Normally Open NO Wired Surface-Mounted Door Window Contact Switch
Amazon.com
$10.69
Yuecoom CS1-U Magnetic Reed Switch, Air Cylinder Magnetic Sensor Switch, Air Pneumatic Cylinder Proximity Sensor SPST Normally Open Type Magnetic Door
Amazon.com
Free shipping
$10.69
Yuecoom CS1-U Magnetic Reed Switch, Air Cylinder Magnetic Sensor Switch, Air Pneumatic Cylinder Proximity Sensor SPST Normally Open Type Magnetic Door
Amazon.com
$16.99
5Sets Magnetic Reed Switch, Magnetic Door Switch/Magnetic Contact Switch/Normally Open Closed NC NO Door Alarm Window Security, For DC 5V 12V 24V
Amazon.com
$16.99
5Sets Magnetic Reed Switch, Magnetic Door Switch/Magnetic Contact Switch/Normally Open Closed NC NO Door Alarm Window Security, For DC 5V 12V 24V
Amazon.com
$17.99
MC-33C Normally Closed Recessed Window Door Contact Sensor Alarm Magnetic Reed Switch - (6 Sets)
Amazon.com
$17.99
MC-33C Normally Closed Recessed Window Door Contact Sensor Alarm Magnetic Reed Switch - (6 Sets)
Amazon.com
$9.69
Dairzitv RC-36 Recessed NC Security Alarm Door Window Contact Sensor Magnetic Reed Switch 5 Pcs
Amazon.com
$9.69
Dairzitv RC-36 Recessed NC Security Alarm Door Window Contact Sensor Magnetic Reed Switch 5 Pcs
Amazon.com
$1.26
$1.57
10Pcs 4x28mm Reed Switch Sensor Normally Open DIY Magnetic Reed Switchs Electronic NO 428mm
AliExpress
Free shipping
19% off
$1.26
$1.57
10Pcs 4x28mm Reed Switch Sensor Normally Open DIY Magnetic Reed Switchs Electronic NO 428mm
AliExpress
$5.99
Fielect MC-44B Surface Mount Wired NC Door Contact Sensor Alarm Magnetic Reed Switch White
Amazon.com
$5.99
Fielect MC-44B Surface Mount Wired NC Door Contact Sensor Alarm Magnetic Reed Switch White
Amazon.com
$9.99
EPLZON Magnetic Reed Switch Normally Open And Normally Closed NC NO Magnetic Proximity Switch For Door Alarm, Window Safety, DC 5V 12V 24V Light GPS
Amazon.com
$9.99
EPLZON Magnetic Reed Switch Normally Open And Normally Closed NC NO Magnetic Proximity Switch For Door Alarm, Window Safety, DC 5V 12V 24V Light GPS
Amazon.com
$20.18
$26.90
100Pcs Plastic Reed Switch 311mm 3x11mm Magnetic Reed Switchs Sensor Normally Open NO Induction DIY
AliExpress
24% off
$20.18
$26.90
100Pcs Plastic Reed Switch 311mm 3x11mm Magnetic Reed Switchs Sensor Normally Open NO Induction DIY
AliExpress