Shop Window Magnetic Sensor for Alarm System

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$161.92
$323.92
Two-Story Home Security System | Window And Door Detection | Official Simplisafe
SimpliSafe, Inc.
Free shipping
50% off
$161.92
$323.92
Two-Story Home Security System | Window And Door Detection | Official Simplisafe
SimpliSafe, Inc.
Free shipping
$183.91
$367.91
Security For Large Homes With Panic Button, Glassbreak Sensor | Simplisafe
SimpliSafe, Inc.
Free shipping
50% off
$183.91
$367.91
Security For Large Homes With Panic Button, Glassbreak Sensor | Simplisafe
SimpliSafe, Inc.
Free shipping
$311.29
$622.79
Security System For Large Homes | Motion, Entry Sensors & Intrusion Defense | Official Simplisafe
SimpliSafe, Inc.
Free shipping
50% off
$311.29
$622.79
Security System For Large Homes | Motion, Entry Sensors & Intrusion Defense | Official Simplisafe
SimpliSafe, Inc.
Free shipping
$4.00
Life Safety Alarm With Magnetic Contact For Lifestart AED Cabinet By JL Industries
AED Superstore
$4.00
Life Safety Alarm With Magnetic Contact For Lifestart AED Cabinet By JL Industries
AED Superstore
$99,999.99
2GIG 345S Wireless Door/Window Contact Sensor
Apollo Gate Openers
$99,999.99
2GIG 345S Wireless Door/Window Contact Sensor
Apollo Gate Openers
$99.99
Ring Alarm Contact Sensor 6-Pack - 2nd Gen | Monitor 6 Doors Or Windows | Instant Alerts | Approximately 3-Year Battery Life | Slim Design | Easy
Amazon.com
26K+
Free shipping
$99.99
Ring Alarm Contact Sensor 6-Pack - 2nd Gen | Monitor 6 Doors Or Windows | Instant Alerts | Approximately 3-Year Battery Life | Slim Design | Easy
Amazon.com
26K+
$54.99
$71.79
2 Pack - Honeywell 5800MINI Door/Window Transmitter (REPLACES DISCONTINUED HONEYWELL 5811)
Amazon.com
147
Free shipping
23% off
$54.99
$71.79
2 Pack - Honeywell 5800MINI Door/Window Transmitter (REPLACES DISCONTINUED HONEYWELL 5811)
Amazon.com
147
$99,999.99
2GIG Thin Door/Window Contact Sensor - 345 Mhz
Apollo Gate Openers
$99,999.99
2GIG Thin Door/Window Contact Sensor - 345 Mhz
Apollo Gate Openers
$12.35
Sabre Door Or Window Alarm White Plastic White HS-DWA2
DkHardware.com
1K+
$12.35
Sabre Door Or Window Alarm White Plastic White HS-DWA2
DkHardware.com
1K+
$249.99
Lot Of 10 Honeywell Ademco 5816WMWH White Door/Window Transmitter W/ Magnets, Batteries And Mounting Hardware
Amazon.com
138
Free shipping
$249.99
Lot Of 10 Honeywell Ademco 5816WMWH White Door/Window Transmitter W/ Magnets, Batteries And Mounting Hardware
Amazon.com
138
$99,999.99
2GIG Encrypted Thin Door/Window Sensor
Apollo Gate Openers
$99,999.99
2GIG Encrypted Thin Door/Window Sensor
Apollo Gate Openers
$24.33
Honeywell Ademco 5816WMWH White Door / Window Transmitter W/ Magnet
JMAC
1
$24.33
Honeywell Ademco 5816WMWH White Door / Window Transmitter W/ Magnet
JMAC
1
$7.00
Honeywell 7939WG-WH Magnetic Contact, White
JMAC
358
$7.00
Honeywell 7939WG-WH Magnetic Contact, White
JMAC
358
$67.99
HKM-874003 Wifi Magnetic Door/Window Alarm With Remote Notification And Activity Tracking 2026 Model
Hekomart.com
$67.99
HKM-874003 Wifi Magnetic Door/Window Alarm With Remote Notification And Activity Tracking 2026 Model
Hekomart.com
$7.93
Uxcell RC-36 NO Recessed Wired Security Window Door Contact Sensor Alarm Magnetic Reed Switch White | Harfington
harfington
$7.93
Uxcell RC-36 NO Recessed Wired Security Window Door Contact Sensor Alarm Magnetic Reed Switch White | Harfington
harfington
$12.99
$19.99
Goveelife Door And Window Sensor, 1 Pack
Govee-US
35% off
$12.99
$19.99
Goveelife Door And Window Sensor, 1 Pack
Govee-US
$86.73
$169.81
Door Alarm With Remote, 108Db Magnetic Door Chime, Window Alarm, 4 Tones, IP65 Waterproof,For Outdoor, Pool, Kids Safety20pk
SERGIIKA
48% off
$86.73
$169.81
Door Alarm With Remote, 108Db Magnetic Door Chime, Window Alarm, 4 Tones, IP65 Waterproof,For Outdoor, Pool, Kids Safety20pk
SERGIIKA
$7.99
IKEA - MYGGBETT Door/Window Sensor, Smart, Width: 1 "
IKEA
12
$7.99
IKEA - MYGGBETT Door/Window Sensor, Smart, Width: 1 "
IKEA
12
$101.97
$203.94
Magnetic Wireless Outdoor Door Window Alarm Sensor, Waterproof Antitheft Monitor, Remote Control Home Security - 1Receiver 1Remote | Multicon Wholesal
Inspire Uplift
Free shipping
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$101.97
$203.94
Magnetic Wireless Outdoor Door Window Alarm Sensor, Waterproof Antitheft Monitor, Remote Control Home Security - 1Receiver 1Remote | Multicon Wholesal
Inspire Uplift
Free shipping
$44.97
$89.94
Wireless Home Security System, Window And Door Magnetic Sensor Alarm For Burglar Prevention | The Cart Load
Inspire Uplift
Free shipping
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$44.97
$89.94
Wireless Home Security System, Window And Door Magnetic Sensor Alarm For Burglar Prevention | The Cart Load
Inspire Uplift
Free shipping
$19.99
Add-On Window / Door Sensor
Lorex.com
$19.99
Add-On Window / Door Sensor
Lorex.com
$2.45
Wireless Magnetic Window/Door Sensor For Alarm System
made-in-china.com
$2.45
Wireless Magnetic Window/Door Sensor For Alarm System
made-in-china.com
$19.55
MC-38 Wired Door Window Sensor Magnetic Switch For PTSN And GSM Alarm System, 1PCS
vipih.com
$19.55
MC-38 Wired Door Window Sensor Magnetic Switch For PTSN And GSM Alarm System, 1PCS
vipih.com
$2.40
Security Alarm Metal Window Wireless Rolling Shutter Magnetic Contact Door Sensor
made-in-china.com
$2.40
Security Alarm Metal Window Wireless Rolling Shutter Magnetic Contact Door Sensor
made-in-china.com
$34.99
$69.98
Wireless Door And Window Magnetic Sensor Alarm 2 Pack Home Security Detectors | Inspired Finds
Inspire Uplift
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$34.99
$69.98
Wireless Door And Window Magnetic Sensor Alarm 2 Pack Home Security Detectors | Inspired Finds
Inspire Uplift
Free shipping
$13.94
Uxcell 4Pcs RC-33 NO Recessed Wired Security Window Door Contact Sensor Alarm Magnetic Reed Switch White | Harfington
harfington
34
$13.94
Uxcell 4Pcs RC-33 NO Recessed Wired Security Window Door Contact Sensor Alarm Magnetic Reed Switch White | Harfington
harfington
34
$15.50
Door Contacts Surface Mount NC Security Alarm Window Sensors With Magnetic Reed Switch - 3 Pcs | Authorizid
Intellid Products
$15.50
Door Contacts Surface Mount NC Security Alarm Window Sensors With Magnetic Reed Switch - 3 Pcs | Authorizid
Intellid Products
$9.99
IKEA - PARASOLL Door/Window Sensor, Smart/White
IKEA
5
$9.99
IKEA - PARASOLL Door/Window Sensor, Smart/White
IKEA
5
$46.77
Ge 45174 Magnetic Indoor Window Alarms
eBay
$46.77
Ge 45174 Magnetic Indoor Window Alarms
eBay
$19.99
Kitcheniva - Wireless Home Window Door Burglar Security Alarm System Magnetic Sensor 6 Pcs - White
Best Buy Marketplace
$19.99
Kitcheniva - Wireless Home Window Door Burglar Security Alarm System Magnetic Sensor 6 Pcs - White
Best Buy Marketplace
$7.93
Uxcell N.O. Recessed Wired Security Window Door Contact Sensor Alarm Magnetic Reed Switch Brown RC-36 | Harfington
harfington
$7.93
Uxcell N.O. Recessed Wired Security Window Door Contact Sensor Alarm Magnetic Reed Switch Brown RC-36 | Harfington
harfington
$15.82
Wireless Window & Door Alarm: 90 Db Magnetic Sensor
Etsy
612
Free shipping
$15.82
Wireless Window & Door Alarm: 90 Db Magnetic Sensor
Etsy
612
$25.48
Door And Window Alarm Wireless Door And Window Detectors With Remote Control Anti-Theft Anti-Intrusion Magnetic
LightIntheBox.com
2
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Door And Window Alarm Wireless Door And Window Detectors With Remote Control Anti-Theft Anti-Intrusion Magnetic
LightIntheBox.com
2
$23.99
Door And Window Alarm Wireless Door And Window Detectors With Remote Control Anti-Theft Anti-Intrusion Magnetic
LightIntheBox.com
2
$23.99
Door And Window Alarm Wireless Door And Window Detectors With Remote Control Anti-Theft Anti-Intrusion Magnetic
LightIntheBox.com
2
$352.14
Wireless Door/Window Entry Security Burglar Sensor Alarm Magnetic
eBay
Free shipping
$352.14
Wireless Door/Window Entry Security Burglar Sensor Alarm Magnetic
eBay
Free shipping
$33.16
$36.48
Skylink WD-434RTL Household Alert® Door/Window Wireless Sensor And Receiver Kit
Action Direct
2K+
$33.16
$36.48
Skylink WD-434RTL Household Alert® Door/Window Wireless Sensor And Receiver Kit
Action Direct
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Alzheimer's Wandering Sensors with Remote Wall Plug In Alarm | Monitor Doors, Cabinets, Hallways, Bedrooms and Stairs with simple to use and Install Alarm Kits | Dementia Door and Motion Alarm Kits by SMPL | Expandable Kits for Wandering | Alzstore
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Shop Window Magnetic Sensor for Alarm System

Sponsored
About our ads
$161.92
$323.92
Two-Story Home Security System | Window And Door Detection | Official Simplisafe
SimpliSafe, Inc.
Free shipping
50% off
$161.92
$323.92
Two-Story Home Security System | Window And Door Detection | Official Simplisafe
SimpliSafe, Inc.
Free shipping
$183.91
$367.91
Security For Large Homes With Panic Button, Glassbreak Sensor | Simplisafe
SimpliSafe, Inc.
Free shipping
50% off
$183.91
$367.91
Security For Large Homes With Panic Button, Glassbreak Sensor | Simplisafe
SimpliSafe, Inc.
Free shipping
$311.29
$622.79
Security System For Large Homes | Motion, Entry Sensors & Intrusion Defense | Official Simplisafe
SimpliSafe, Inc.
Free shipping
50% off
$311.29
$622.79
Security System For Large Homes | Motion, Entry Sensors & Intrusion Defense | Official Simplisafe
SimpliSafe, Inc.
Free shipping
$4.00
Life Safety Alarm With Magnetic Contact For Lifestart AED Cabinet By JL Industries
AED Superstore
$4.00
Life Safety Alarm With Magnetic Contact For Lifestart AED Cabinet By JL Industries
AED Superstore
$99,999.99
2GIG 345S Wireless Door/Window Contact Sensor
Apollo Gate Openers
$99,999.99
2GIG 345S Wireless Door/Window Contact Sensor
Apollo Gate Openers
$99.99
Ring Alarm Contact Sensor 6-Pack - 2nd Gen | Monitor 6 Doors Or Windows | Instant Alerts | Approximately 3-Year Battery Life | Slim Design | Easy
Amazon.com
26K+
Free shipping
$99.99
Ring Alarm Contact Sensor 6-Pack - 2nd Gen | Monitor 6 Doors Or Windows | Instant Alerts | Approximately 3-Year Battery Life | Slim Design | Easy
Amazon.com
26K+
$54.99
$71.79
2 Pack - Honeywell 5800MINI Door/Window Transmitter (REPLACES DISCONTINUED HONEYWELL 5811)
Amazon.com
147
Free shipping
23% off
$54.99
$71.79
2 Pack - Honeywell 5800MINI Door/Window Transmitter (REPLACES DISCONTINUED HONEYWELL 5811)
Amazon.com
147
$99,999.99
2GIG Thin Door/Window Contact Sensor - 345 Mhz
Apollo Gate Openers
$99,999.99
2GIG Thin Door/Window Contact Sensor - 345 Mhz
Apollo Gate Openers
$12.35
Sabre Door Or Window Alarm White Plastic White HS-DWA2
DkHardware.com
1K+
$12.35
Sabre Door Or Window Alarm White Plastic White HS-DWA2
DkHardware.com
1K+
$249.99
Lot Of 10 Honeywell Ademco 5816WMWH White Door/Window Transmitter W/ Magnets, Batteries And Mounting Hardware
Amazon.com
138
Free shipping
$249.99
Lot Of 10 Honeywell Ademco 5816WMWH White Door/Window Transmitter W/ Magnets, Batteries And Mounting Hardware
Amazon.com
138
$99,999.99
2GIG Encrypted Thin Door/Window Sensor
Apollo Gate Openers
$99,999.99
2GIG Encrypted Thin Door/Window Sensor
Apollo Gate Openers
$24.33
Honeywell Ademco 5816WMWH White Door / Window Transmitter W/ Magnet
JMAC
1
$24.33
Honeywell Ademco 5816WMWH White Door / Window Transmitter W/ Magnet
JMAC
1
$7.00
Honeywell 7939WG-WH Magnetic Contact, White
JMAC
358
$7.00
Honeywell 7939WG-WH Magnetic Contact, White
JMAC
358
$67.99
HKM-874003 Wifi Magnetic Door/Window Alarm With Remote Notification And Activity Tracking 2026 Model
Hekomart.com
$67.99
HKM-874003 Wifi Magnetic Door/Window Alarm With Remote Notification And Activity Tracking 2026 Model
Hekomart.com
$7.93
Uxcell RC-36 NO Recessed Wired Security Window Door Contact Sensor Alarm Magnetic Reed Switch White | Harfington
harfington
$7.93
Uxcell RC-36 NO Recessed Wired Security Window Door Contact Sensor Alarm Magnetic Reed Switch White | Harfington
harfington
$12.99
$19.99
Goveelife Door And Window Sensor, 1 Pack
Govee-US
35% off
$12.99
$19.99
Goveelife Door And Window Sensor, 1 Pack
Govee-US
$86.73
$169.81
Door Alarm With Remote, 108Db Magnetic Door Chime, Window Alarm, 4 Tones, IP65 Waterproof,For Outdoor, Pool, Kids Safety20pk
SERGIIKA
48% off
$86.73
$169.81
Door Alarm With Remote, 108Db Magnetic Door Chime, Window Alarm, 4 Tones, IP65 Waterproof,For Outdoor, Pool, Kids Safety20pk
SERGIIKA
$7.99
IKEA - MYGGBETT Door/Window Sensor, Smart, Width: 1 "
IKEA
12
$7.99
IKEA - MYGGBETT Door/Window Sensor, Smart, Width: 1 "
IKEA
12