Shop window sensors

Sponsored
About our ads
$89.94
$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
Free shipping
10% off
$89.94
$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
$15.75
Wired Door Contacts Surface Mount NC Security Alarm Door Window Sensors - White, 3 Pcs | Authorizid
Intellid Products
$15.75
Wired Door Contacts Surface Mount NC Security Alarm Door Window Sensors - White, 3 Pcs | Authorizid
Intellid Products
$29.98
$39.99
Ring Alarm Contact Sensor 2-Pack - 2nd Gen | Instant Window & Door Alerts | Approximately 3-Year Battery Life | Slim Design | Easy Installation | Base
Amazon.com
25% off
$29.98
$39.99
Ring Alarm Contact Sensor 2-Pack - 2nd Gen | Instant Window & Door Alerts | Approximately 3-Year Battery Life | Slim Design | Easy Installation | Base
Amazon.com
$36.65
IQ QS1137-840 IQ Mini Extended Door/Window Sensor
Fire and Safety Plus
$36.65
IQ QS1137-840 IQ Mini Extended Door/Window Sensor
Fire and Safety Plus
$31.93
Alula RE622 Nanomax Door And Window Sensor Connect+ Encrypted
Fire and Safety Plus
$31.93
Alula RE622 Nanomax Door And Window Sensor Connect+ Encrypted
Fire and Safety Plus
$54.99
Simplisafe Entry Sensor (Pack Of 4) - Window And Door Protection - Compatible With The Simplisafe Home Security System - Latest Gen
Amazon.com
Free shipping
$54.99
Simplisafe Entry Sensor (Pack Of 4) - Window And Door Protection - Compatible With The Simplisafe Home Security System - Latest Gen
Amazon.com
$15.99
Simplisafe Entry Sensor - Window And Door Protection - Compatible With Gen 3 Home Security System
Amazon.com
$15.99
Simplisafe Entry Sensor - Window And Door Protection - Compatible With Gen 3 Home Security System
Amazon.com
$14.99
$19.99
Ring Alarm Contact Sensor - 2nd Gen | Instant Window & Door Alerts | Approximately 3-Year Battery Life | Slim Design Fits Any Frame | Easy
Amazon.com
25% off
$14.99
$19.99
Ring Alarm Contact Sensor - 2nd Gen | Instant Window & Door Alerts | Approximately 3-Year Battery Life | Slim Design Fits Any Frame | Easy
Amazon.com
$30.00
Honeywell Home PROSIXCT Proseries Six Two-Way Wireless Door/Window Sensor
Fire and Safety Plus
$30.00
Honeywell Home PROSIXCT Proseries Six Two-Way Wireless Door/Window Sensor
Fire and Safety Plus
$35.67
King Electric Window Contact Sensor For Window Watcher Thermostat Kit (King Electric WINDOW-CONTACT) | Made In America
HomElectrical
$35.67
King Electric Window Contact Sensor For Window Watcher Thermostat Kit (King Electric WINDOW-CONTACT) | Made In America
HomElectrical
$37.88
Window Door Alarm, 120Db Door Alarm For Kids Safety, Door Window Sensor For Home Security
Amazon.com
Free shipping
$37.88
Window Door Alarm, 120Db Door Alarm For Kids Safety, Door Window Sensor For Home Security
Amazon.com
$14.99
IKEA - PARASOLL Door/Window Sensor, Smart/White
IKEA
$14.99
IKEA - PARASOLL Door/Window Sensor, Smart/White
IKEA
$9.99
IKEA - MYGGBETT Door/Window Sensor, Smart, Width: 1 "
IKEA
$9.99
IKEA - MYGGBETT Door/Window Sensor, Smart, Width: 1 "
IKEA
$19.99
$25.98
Goveelife Door And Window Sensor, 2-Pack
Govee-US
23% off
$19.99
$25.98
Goveelife Door And Window Sensor, 2-Pack
Govee-US
$97.30
$119.99
King Electric RF Window And Door Sensor KRF-WINDOW-SENSOR
eFireplaceStore
18% off
$97.30
$119.99
King Electric RF Window And Door Sensor KRF-WINDOW-SENSOR
eFireplaceStore
$259.14
$323.92
Two-Story Home Security System | Window And Door Detection | Official Simplisafe
SimpliSafe, Inc.
Free shipping
19% off
$259.14
$323.92
Two-Story Home Security System | Window And Door Detection | Official Simplisafe
SimpliSafe, Inc.
$29.99
Eufy Security Entry Sensor, Detects Opened And Closed Doors Or Windows, Door Monitoring, Sends Alerts, Triggers Siren, 2-Year Battery Life, Indoor Use
Amazon.com
1K+
$29.99
Eufy Security Entry Sensor, Detects Opened And Closed Doors Or Windows, Door Monitoring, Sends Alerts, Triggers Siren, 2-Year Battery Life, Indoor Use
Amazon.com
$8.30
1 Pcs NO White Door Contacts (NORMALLY OPEN) Surface Mount Security Alarm Door Window Sensors
Intellid Products
$8.30
1 Pcs NO White Door Contacts (NORMALLY OPEN) Surface Mount Security Alarm Door Window Sensors
Intellid Products
$99,999.99
2GIG Encrypted Thin Door/Window Sensor
Apollo Gate Openers
$99,999.99
2GIG Encrypted Thin Door/Window Sensor
Apollo Gate Openers
$99,999.99
2GIG 345S Recessed Door Window Sensor
Apollo Gate Openers
$99,999.99
2GIG 345S Recessed Door Window Sensor
Apollo Gate Openers
$128.00
WINDOW SICK - Sensors & Switches & Photoelectric Supplies
Radwell.com
$128.00
WINDOW SICK - Sensors & Switches & Photoelectric Supplies
Radwell.com
$7.99
Stable Wired Door And Window Sensor - 5 Pieces For Home Security System
Digitalzakka
$7.99
Stable Wired Door And Window Sensor - 5 Pieces For Home Security System
Digitalzakka
$10.99
Emastiff Wireless Alarm System: Door And Window Sensor Detector
Digitalzakka
$10.99
Emastiff Wireless Alarm System: Door And Window Sensor Detector
Digitalzakka
$15.49
SONOFF RF Bridge With 3 DW1 Door Window Sensors For Smart Home Security
Digitalzakka
$15.49
SONOFF RF Bridge With 3 DW1 Door Window Sensors For Smart Home Security
Digitalzakka
$13.99
FUERS Tuya Wifi: Smart Home Security Door And Window Alarm Sensor
Digitalzakka
$13.99
FUERS Tuya Wifi: Smart Home Security Door And Window Alarm Sensor
Digitalzakka
$39.36
Qolsys Inc IQSM | Wireless Door/Window Sensor
AllDataResource.com
$39.36
Qolsys Inc IQSM | Wireless Door/Window Sensor
AllDataResource.com
$43.95
Eve Door & Window Wireless Contact Sensor With Matter - Single
Crutchfield
755
$43.95
Eve Door & Window Wireless Contact Sensor With Matter - Single
Crutchfield
$57.97
$115.94
433Mhz Wireless Door Window Sensor Door Open Detector For Smart Burglar Alarm Systems (G03 G12 G30 G50 G60) - 3Pcs
Inspire Uplift
50% off
$57.97
$115.94
433Mhz Wireless Door Window Sensor Door Open Detector For Smart Burglar Alarm Systems (G03 G12 G30 G50 G60) - 3Pcs
Inspire Uplift
$7.99
Household Anti-Theft Alarm: Wireless Door And Window Magnetic Sensor
Digitalzakka
$7.99
Household Anti-Theft Alarm: Wireless Door And Window Magnetic Sensor
Digitalzakka
$55.99
$111.74
Tuya Matter Thread Door Window Sensor USB Powered Smart Home Wireless Detector Work With Homekit Alexa Google Home Smart
Banggood
49% off
$55.99
$111.74
Tuya Matter Thread Door Window Sensor USB Powered Smart Home Wireless Detector Work With Homekit Alexa Google Home Smart
Banggood
$115.00
$229.99
Wireless Outdoor Door Window Magnetic Alarm Sensor Waterproof Anti Theft Security Alarm With Remote Control - 1Receiver 1Remote
Inspire Uplift
49% off
$115.00
$229.99
Wireless Outdoor Door Window Magnetic Alarm Sensor Waterproof Anti Theft Security Alarm With Remote Control - 1Receiver 1Remote
Inspire Uplift
$19.99
$29.99
Ring - Window & Door Sensor Instant Notifications On Amazon Sidewalk, No Base Station Needed, Pro Monitoring (Sold Separately) - White
Best Buy
33% off
$19.99
$29.99
Ring - Window & Door Sensor Instant Notifications On Amazon Sidewalk, No Base Station Needed, Pro Monitoring (Sold Separately) - White
Best Buy
$85.20
Humora 2-Pack Wifi Door And Window Sensors,Tuya Smart Alarm With Free Notification APP Control Home Security Alarm System, No Hub Required,Compatible
Shop
$85.20
Humora 2-Pack Wifi Door And Window Sensors,Tuya Smart Alarm With Free Notification APP Control Home Security Alarm System, No Hub Required,Compatible
Shop
$21.95
The Squareglow Door Window Sensor
MaxiAids
$21.95
The Squareglow Door Window Sensor
MaxiAids
$8.95
Uxcell 3Pcs RC-35 NC Recessed Wired Security Window Gate Contact Sensor Alarm Magnetic Reed Switch White | Harfington
harfington
$8.95
Uxcell 3Pcs RC-35 NC Recessed Wired Security Window Gate Contact Sensor Alarm Magnetic Reed Switch White | Harfington
harfington
$130.00
$259.99
Wireless Outdoor Door Window Magnetic Alarm Sensor Waterproof Anti Theft Security Alarm With Remote Control - 1Receiver 2Remote
Inspire Uplift
49% off
$130.00
$259.99
Wireless Outdoor Door Window Magnetic Alarm Sensor Waterproof Anti Theft Security Alarm With Remote Control - 1Receiver 2Remote
Inspire Uplift
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Shop window sensors

Sponsored
About our ads
$14.99
IKEA - PARASOLL Door/Window Sensor, Smart/White
IKEA
$14.99
IKEA - PARASOLL Door/Window Sensor, Smart/White
IKEA
$9.99
IKEA - MYGGBETT Door/Window Sensor, Smart, Width: 1 "
IKEA
$9.99
IKEA - MYGGBETT Door/Window Sensor, Smart, Width: 1 "
IKEA
$29.99
Eufy Security Entry Sensor, Detects Opened And Closed Doors Or Windows, Door Monitoring, Sends Alerts, Triggers Siren, 2-Year Battery Life, Indoor Use
Amazon.com
1K+
$29.99
Eufy Security Entry Sensor, Detects Opened And Closed Doors Or Windows, Door Monitoring, Sends Alerts, Triggers Siren, 2-Year Battery Life, Indoor Use
Amazon.com
$19.99
$25.98
Goveelife Door And Window Sensor, 2-Pack
Govee-US
23% off
$19.99
$25.98
Goveelife Door And Window Sensor, 2-Pack
Govee-US
$97.30
$119.99
King Electric RF Window And Door Sensor KRF-WINDOW-SENSOR
eFireplaceStore
18% off
$97.30
$119.99
King Electric RF Window And Door Sensor KRF-WINDOW-SENSOR
eFireplaceStore
$259.14
$323.92
Two-Story Home Security System | Window And Door Detection | Official Simplisafe
SimpliSafe, Inc.
Free shipping
19% off
$259.14
$323.92
Two-Story Home Security System | Window And Door Detection | Official Simplisafe
SimpliSafe, Inc.
$8.30
1 Pcs NO White Door Contacts (NORMALLY OPEN) Surface Mount Security Alarm Door Window Sensors
Intellid Products
$8.30
1 Pcs NO White Door Contacts (NORMALLY OPEN) Surface Mount Security Alarm Door Window Sensors
Intellid Products
$99,999.99
2GIG Encrypted Thin Door/Window Sensor
Apollo Gate Openers
$99,999.99
2GIG Encrypted Thin Door/Window Sensor
Apollo Gate Openers
$99,999.99
2GIG 345S Recessed Door Window Sensor
Apollo Gate Openers
$99,999.99
2GIG 345S Recessed Door Window Sensor
Apollo Gate Openers
$128.00
WINDOW SICK - Sensors & Switches & Photoelectric Supplies
Radwell.com
$128.00
WINDOW SICK - Sensors & Switches & Photoelectric Supplies
Radwell.com
$7.99
Stable Wired Door And Window Sensor - 5 Pieces For Home Security System
Digitalzakka
$7.99
Stable Wired Door And Window Sensor - 5 Pieces For Home Security System
Digitalzakka
$10.99
Emastiff Wireless Alarm System: Door And Window Sensor Detector
Digitalzakka
$10.99
Emastiff Wireless Alarm System: Door And Window Sensor Detector
Digitalzakka
$15.49
SONOFF RF Bridge With 3 DW1 Door Window Sensors For Smart Home Security
Digitalzakka
$15.49
SONOFF RF Bridge With 3 DW1 Door Window Sensors For Smart Home Security
Digitalzakka
$13.99
FUERS Tuya Wifi: Smart Home Security Door And Window Alarm Sensor
Digitalzakka
$13.99
FUERS Tuya Wifi: Smart Home Security Door And Window Alarm Sensor
Digitalzakka
$39.36
Qolsys Inc IQSM | Wireless Door/Window Sensor
AllDataResource.com
$39.36
Qolsys Inc IQSM | Wireless Door/Window Sensor
AllDataResource.com
$43.95
Eve Door & Window Wireless Contact Sensor With Matter - Single
Crutchfield
755
$43.95
Eve Door & Window Wireless Contact Sensor With Matter - Single
Crutchfield
$57.97
$115.94
433Mhz Wireless Door Window Sensor Door Open Detector For Smart Burglar Alarm Systems (G03 G12 G30 G50 G60) - 3Pcs
Inspire Uplift
50% off
$57.97
$115.94
433Mhz Wireless Door Window Sensor Door Open Detector For Smart Burglar Alarm Systems (G03 G12 G30 G50 G60) - 3Pcs
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$7.99
Household Anti-Theft Alarm: Wireless Door And Window Magnetic Sensor
Digitalzakka
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Household Anti-Theft Alarm: Wireless Door And Window Magnetic Sensor
Digitalzakka

Shop window sensors

Sponsored
About our ads
$89.94
$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
Free shipping
10% off
$89.94
$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
$15.75
Wired Door Contacts Surface Mount NC Security Alarm Door Window Sensors - White, 3 Pcs | Authorizid
Intellid Products
$15.75
Wired Door Contacts Surface Mount NC Security Alarm Door Window Sensors - White, 3 Pcs | Authorizid
Intellid Products
$29.98
$39.99
Ring Alarm Contact Sensor 2-Pack - 2nd Gen | Instant Window & Door Alerts | Approximately 3-Year Battery Life | Slim Design | Easy Installation | Base
Amazon.com
25% off
$29.98
$39.99
Ring Alarm Contact Sensor 2-Pack - 2nd Gen | Instant Window & Door Alerts | Approximately 3-Year Battery Life | Slim Design | Easy Installation | Base
Amazon.com
$36.65
IQ QS1137-840 IQ Mini Extended Door/Window Sensor
Fire and Safety Plus
$36.65
IQ QS1137-840 IQ Mini Extended Door/Window Sensor
Fire and Safety Plus
$31.93
Alula RE622 Nanomax Door And Window Sensor Connect+ Encrypted
Fire and Safety Plus
$31.93
Alula RE622 Nanomax Door And Window Sensor Connect+ Encrypted
Fire and Safety Plus
$54.99
Simplisafe Entry Sensor (Pack Of 4) - Window And Door Protection - Compatible With The Simplisafe Home Security System - Latest Gen
Amazon.com
Free shipping
$54.99
Simplisafe Entry Sensor (Pack Of 4) - Window And Door Protection - Compatible With The Simplisafe Home Security System - Latest Gen
Amazon.com
$15.99
Simplisafe Entry Sensor - Window And Door Protection - Compatible With Gen 3 Home Security System
Amazon.com
$15.99
Simplisafe Entry Sensor - Window And Door Protection - Compatible With Gen 3 Home Security System
Amazon.com
$14.99
$19.99
Ring Alarm Contact Sensor - 2nd Gen | Instant Window & Door Alerts | Approximately 3-Year Battery Life | Slim Design Fits Any Frame | Easy
Amazon.com
25% off
$14.99
$19.99
Ring Alarm Contact Sensor - 2nd Gen | Instant Window & Door Alerts | Approximately 3-Year Battery Life | Slim Design Fits Any Frame | Easy
Amazon.com
$30.00
Honeywell Home PROSIXCT Proseries Six Two-Way Wireless Door/Window Sensor
Fire and Safety Plus
$30.00
Honeywell Home PROSIXCT Proseries Six Two-Way Wireless Door/Window Sensor
Fire and Safety Plus
$35.67
King Electric Window Contact Sensor For Window Watcher Thermostat Kit (King Electric WINDOW-CONTACT) | Made In America
HomElectrical
$35.67
King Electric Window Contact Sensor For Window Watcher Thermostat Kit (King Electric WINDOW-CONTACT) | Made In America
HomElectrical
$37.88
Window Door Alarm, 120Db Door Alarm For Kids Safety, Door Window Sensor For Home Security
Amazon.com
Free shipping
$37.88
Window Door Alarm, 120Db Door Alarm For Kids Safety, Door Window Sensor For Home Security
Amazon.com
$14.99
IKEA - PARASOLL Door/Window Sensor, Smart/White
IKEA
$14.99
IKEA - PARASOLL Door/Window Sensor, Smart/White
IKEA
$9.99
IKEA - MYGGBETT Door/Window Sensor, Smart, Width: 1 "
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$9.99
IKEA - MYGGBETT Door/Window Sensor, Smart, Width: 1 "
IKEA
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$25.98
Goveelife Door And Window Sensor, 2-Pack
Govee-US
23% off
$19.99
$25.98
Goveelife Door And Window Sensor, 2-Pack
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$97.30
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eFireplaceStore
18% off
$97.30
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King Electric RF Window And Door Sensor KRF-WINDOW-SENSOR
eFireplaceStore
$259.14
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Two-Story Home Security System | Window And Door Detection | Official Simplisafe
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Free shipping
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SimpliSafe, Inc.
$29.99
Eufy Security Entry Sensor, Detects Opened And Closed Doors Or Windows, Door Monitoring, Sends Alerts, Triggers Siren, 2-Year Battery Life, Indoor Use
Amazon.com
1K+
$29.99
Eufy Security Entry Sensor, Detects Opened And Closed Doors Or Windows, Door Monitoring, Sends Alerts, Triggers Siren, 2-Year Battery Life, Indoor Use
Amazon.com
$8.30
1 Pcs NO White Door Contacts (NORMALLY OPEN) Surface Mount Security Alarm Door Window Sensors
Intellid Products
$8.30
1 Pcs NO White Door Contacts (NORMALLY OPEN) Surface Mount Security Alarm Door Window Sensors
Intellid Products