Shop window sensors

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$99.99
Ring Alarm Contact Sensor 6-Pack (2Nd Gen) - B07ZPLN8R3
Dell
22K+
$99.99
Ring Alarm Contact Sensor 6-Pack (2Nd Gen) - B07ZPLN8R3
Dell
22K+
$549.00
Sensibo Air Pro + Door / Window Sensor
Sensibo
1K+
Free shipping
$549.00
Sensibo Air Pro + Door / Window Sensor
Sensibo
1K+
$39.99
Ring Alarm Contact Sensor 2-Pack - 2nd Gen | Instant Window & Door Alerts | Approximately 3-Year Battery Life | Slim Design | Easy Installation |
Amazon.com
27K+
Free shipping
$39.99
Ring Alarm Contact Sensor 2-Pack - 2nd Gen | Instant Window & Door Alerts | Approximately 3-Year Battery Life | Slim Design | Easy Installation |
Amazon.com
27K+
$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
22K+
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
22K+
$69.99
Ring Alarm Glass Break Sensor - 2-Pack
Amazon.com
2K+
Free shipping
$69.99
Ring Alarm Glass Break Sensor - 2-Pack
Amazon.com
2K+
$39.99
Simplisafe Glassbreak Sensor - 20ft. Range - Sound Detection Technology - Compatible With The Simplisafe Home Security System - Latest Gen
Amazon.com
984
Free shipping
$39.99
Simplisafe Glassbreak Sensor - 20ft. Range - Sound Detection Technology - Compatible With The Simplisafe Home Security System - Latest Gen
Amazon.com
984
$59.99
Ecobee Smart Sensor For Doors & Windows 2 Pack - Wifi Contact Sensor For Home Security, Energy Savings - Compatible With Smart Thermostats -
Amazon.com
394
Free shipping
$59.99
Ecobee Smart Sensor For Doors & Windows 2 Pack - Wifi Contact Sensor For Home Security, Energy Savings - Compatible With Smart Thermostats -
Amazon.com
394
$29.99
Door Window Alarm When Opened For Home Kids Safety With Remote, Door Entry Magnetic Sensor Alarm For Store/Garage,130Db Loud Alarm 4 Working Mode
Amazon.com
282
$29.99
Door Window Alarm When Opened For Home Kids Safety With Remote, Door Entry Magnetic Sensor Alarm For Store/Garage,130Db Loud Alarm 4 Working Mode
Amazon.com
282
$58.20
Fibaro Home Intelligence Z - Wave Door / Window Sensor2 , 908 , 4 Mhz , White , ZW5 | Wired4signs USA
Wired4Signs
45
$58.20
Fibaro Home Intelligence Z - Wave Door / Window Sensor2 , 908 , 4 Mhz , White , ZW5 | Wired4signs USA
Wired4Signs
45
$14.99
IKEA - PARASOLL Door/Window Sensor, Smart/White
IKEA
207
$14.99
IKEA - PARASOLL Door/Window Sensor, Smart/White
IKEA
207
$8.99
KERUI D121 Wireless Door And Window Sensor Alarm For Home Security And Kids Safety
Evalm
$8.99
KERUI D121 Wireless Door And Window Sensor Alarm For Home Security And Kids Safety
Evalm
$30.38
WBM Smart Wifi Door Sensor, Window Alarm Sensor, Wireless Security Alarm, App Control 4.39 H X 2.57 W X 2.57 D In
Wayfair
2
$30.38
WBM Smart Wifi Door Sensor, Window Alarm Sensor, Wireless Security Alarm, App Control 4.39 H X 2.57 W X 2.57 D In
Wayfair
2
$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+
$47.10
Safety Technology International, Inc. STI-3360 Wireless Entry Alert Chime With Receiver, Door Or Window Transmitter Sensor STI-3353 Receiver Sold
Amazon.com
Free shipping
$47.10
Safety Technology International, Inc. STI-3360 Wireless Entry Alert Chime With Receiver, Door Or Window Transmitter Sensor STI-3353 Receiver Sold
Amazon.com
Free shipping
$25.99
Feit Electric Wireless White Indoor Smart Wifi Door Window Sensor - MOT/DOORWIFIBAT
Acme Tools
$25.99
Feit Electric Wireless White Indoor Smart Wifi Door Window Sensor - MOT/DOORWIFIBAT
Acme Tools
$10.49
Smart Tuya Wifi Door And Window Sensor With PIR Motion Detection And APP Notifications For Home Security System
Evalm
$10.49
Smart Tuya Wifi Door And Window Sensor With PIR Motion Detection And APP Notifications For Home Security System
Evalm
$21.69
Smart Wifi Door And Window Alarm Sensor For Home Security
Evalm
$21.69
Smart Wifi Door And Window Alarm Sensor For Home Security
Evalm
$59.99
$79.99
Ecobee - Smartsensor For Doors And Windows (2-Pack) - White
Best Buy
53
Free shipping
25% off
$59.99
$79.99
Ecobee - Smartsensor For Doors And Windows (2-Pack) - White
Best Buy
53
$9.59
Wireless Tuya WIFI Door And Window Sensors For Home Security
Evalm
$9.59
Wireless Tuya WIFI Door And Window Sensors For Home Security
Evalm
$33.45
$39.99
Magnetic Sensor Door And Window Alarm Gray
Wayfair
16% off
$33.45
$39.99
Magnetic Sensor Door And Window Alarm Gray
Wayfair
$16.99
$19.99
Aqara - T1 Door And Window Sensor- Requires Hub Product, Supports Apple Homekit, Alexa, Google, Smartthings - White
Best Buy
15% off
$16.99
$19.99
Aqara - T1 Door And Window Sensor- Requires Hub Product, Supports Apple Homekit, Alexa, Google, Smartthings - White
Best Buy
$5.18
Uxcell Magnetic Sensor Home Door Window Entry Warning Alarm Switch | Harfington
harfington
$5.18
Uxcell Magnetic Sensor Home Door Window Entry Warning Alarm Switch | Harfington
harfington
$34.95
Ge Wireless Control Center Window Door Sensor Kit 45142 Choice Alert
eBay
$34.95
Ge Wireless Control Center Window Door Sensor Kit 45142 Choice Alert
eBay
$24.99
$29.99
Aqara - P2 Door And Window Sensor- Matter Natively Support, Need Matter Border Router, Remote Alarm And Local Automation - White
Best Buy
16% off
$24.99
$29.99
Aqara - P2 Door And Window Sensor- Matter Natively Support, Need Matter Border Router, Remote Alarm And Local Automation - White
Best Buy
$25.99
Heath Zenith White Plastic Wireless Battery-Operated Door/Window Sensor White
Wayfair
$25.99
Heath Zenith White Plastic Wireless Battery-Operated Door/Window Sensor White
Wayfair
$27.78
Heavy Duty Magnetic Contact, Door Window Contact Sensor Alarm, Switch
eBay
Free shipping
$27.78
Heavy Duty Magnetic Contact, Door Window Contact Sensor Alarm, Switch
eBay
Free shipping
$134.88
Glass Break Sensor 5 Pack, 125Db Loud Window Alarm Vibration Sensors,
eBay
Free shipping
$134.88
Glass Break Sensor 5 Pack, 125Db Loud Window Alarm Vibration Sensors,
eBay
Free shipping
$119.94
Ring Alarm Home Security System Contact Sensor Add-On Window Door 2nd Gen 6 Pack
eBay.com
63
Free shipping
$119.94
Ring Alarm Home Security System Contact Sensor Add-On Window Door 2nd Gen 6 Pack
eBay.com
63
$31.99
Light/Dark/White Renogy Door & Window Sensor (5511) Small
Renogy Affiliate Program
Free shipping
$31.99
Light/Dark/White Renogy Door & Window Sensor (5511) Small
Renogy Affiliate Program
Free shipping
$160.00
2Pcs Dsc Ws4945 Wireless Door Window Contact Sensor
eBay
Free shipping
$160.00
2Pcs Dsc Ws4945 Wireless Door Window Contact Sensor
eBay
Free shipping
$18.71
$52.99
4/8Pcs Vibration Alarm Sensor, Wireless Window Door Vibration Sensor, Glass Breakage & Anti-Theft Security -, Door Alarm When Opened,Window Alarms
Temu US
64% off
$18.71
$52.99
4/8Pcs Vibration Alarm Sensor, Wireless Window Door Vibration Sensor, Glass Breakage & Anti-Theft Security -, Door Alarm When Opened,Window Alarms
Temu US
$59.99
$79.99
Smartsensor For Doors And Windows 2-Pack
ecobee
1K+
25% off
$59.99
$79.99
Smartsensor For Doors And Windows 2-Pack
ecobee
1K+
$99.95
Eve Door & Window Wireless Contact Sensor (Matter, 3-Pack)
B&H Photo-Video-Pro A
Free shipping
$99.95
Eve Door & Window Wireless Contact Sensor (Matter, 3-Pack)
B&H Photo-Video-Pro A
Free shipping
$72.99
$100.73
Interlogix 60-362N-11-319.5 Crystal Standard Door/Window Sensor -Brown
defiantattoostudio.com
Free shipping
27% off
$72.99
$100.73
Interlogix 60-362N-11-319.5 Crystal Standard Door/Window Sensor -Brown
defiantattoostudio.com
Free shipping
$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
$69.99
Ring White Alarm Glass Break Sensor (2-Pack) B09BY4LKKG At ABT
Abt Electronics
Free shipping
$69.99
Ring White Alarm Glass Break Sensor (2-Pack) B09BY4LKKG At ABT
Abt Electronics
Free shipping
How to Install Door and Window Sensors | Step-by-Step Entry Sensor Installation Guide
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Find in video from 0:00Introduction to Entry Sensors
How to Install Door and Window Sensors | Step-by-Step Entry Sens…
39.6K viewsOct 14, 2020
YouTubeSafewise.com
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Find in video from 0:00Introduction to Door and Window Sensors
Door and Window Sensors 101!
32.4K viewsSep 7, 2021
YouTubeSecurity.org
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8.8K viewsJul 16, 2020
YouTubeIQ Security Products
How to Install a Window Sensor on a Sliding Window for your Security System
1:11
Find in video from 00:02Locating the Sensor
How to Install a Window Sensor on a Sliding Window for your Security …
8.6K viewsApr 16, 2020
YouTubeCanadian Security Professionals
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Find in video from 0:00Introduction to Door/Window Sensors
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YouTubeHomey
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YouTubeHowMuchBest
Re-Attaching a Door or Window Sensor | ADT Home Security
1:57
Find in video from 00:36Preparing the Sensor
Re-Attaching a Door or Window Sensor | ADT Home Security
353.7K viewsMay 27, 2015
YouTubeADT
1:19
Find in video from 00:18Setting Up the Sensor
TELUS | How to install your Door and Window Sensor
65.4K viewsDec 17, 2020
YouTubeTELUS
4:00
Find in video from 00:12Unpacking the Sensors
How to set up your ADT Door/Window Sensors
25.3K viewsJun 6, 2024
YouTubeADT
2:05
Find in video from 00:33Preparing the Sensor
Reinstalling a Door & Window Sensor
146K viewsNov 8, 2017
YouTubeADT
1:10
Find in video from 0:00Introduction to Sensor Troubleshooting
Door & Window Sensor Troubleshooting
29.1K viewsApr 6, 2017
YouTubeFrontpoint
6:50
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YouTubelet's investigate
10:16
Find in video from 00:42Installing Window/Door Sensors
How to install Window Door Sensors & PIR Motion Sensors - OSI Wirele…
18.6K viewsDec 31, 2020
YouTubeOSI Go Direct
8:54
Find in video from 01:00Mounting the Sensor
Setup guide of a Wi-Fi Smart Door/Window sensor with the Sma…
15.1K viewsJan 18, 2022
YouTubeDigital Butler
12:32
Find in video from 02:02Solution for One Sensor on a Double Hung Window
Double Hung Window Alarm Sensor Magnet Contact SOLUTION? LifeS…
40.6K viewsApr 28, 2019
YouTubeOzark Wild
2:25
How to set up your ADT Door or Window Sensor
94.4K viewsJan 3, 2023
YouTubeADT
4:34
Find in video from 01:31Opening the Door and Connecting the Sensor
DSC PG9307 Recessed Wireless Door/Window Sensor Installation
19.2K viewsAug 24, 2022
YouTubeAlarm System Store
1:40
How to Replace the Battery for a Door & Window Sensor
140.8K viewsFeb 14, 2021
YouTubeGuardian Protection
12:36
Find in video from 0:00Introduction to Contact Sensors
Door and Window Sensor Automation Ideas - Using Contact …
100.8K viewsOct 13, 2021
YouTubeHome Automation Guy
1:23
Find in video from 00:06Introduction to Sensors
WH Security - Changing batteries in a door/window sensor
34.4K viewsJan 12, 2021
YouTubeWH Security Minnesota
2:22
Find in video from 00:01Introduction to Door and Window Sensors
How to Change the Battery in Your Door & Window Sensor | Vivint Tip…
67.2K viewsMay 17, 2023
YouTubeVivint
0:41
How to Change the Battery in your Door or Window Sensor | ADT
460.9K viewsOct 29, 2019
YouTubeADT
1:07
Find in video from 00:11Naming Sensors
How To Add and Install Door and Window Sensors to UltraSync Sm…
1.4K viewsFeb 9, 2018
YouTubeInterlogix Security
1:18
Find in video from 0:00Introduction to Eufy Entry Sensor
Eufy Security Entry Sensor - Product Features
57.3K viewsFeb 12, 2021
YouTubeEufy Australia Official
3:14
Swann Window/Door Alert Sensor - Intro (Oct 2021)
7.3K viewsOct 1, 2021
YouTubeSwann - Security You Can Trust
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23K views8 months ago
YouTubeADT
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Installing Window Sensor- Alder
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YouTubeAlder Security
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Frontpoint Door & Window Sensor Installation
7.3K viewsNov 20, 2019
YouTubeFrontpoint
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Shelly Wave Door/Window
5.2K views8 months ago
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Static thumbnail place holder

Shop window sensors

Sponsored
About our ads
$99.99
Ring Alarm Contact Sensor 6-Pack (2Nd Gen) - B07ZPLN8R3
Dell
22K+
$99.99
Ring Alarm Contact Sensor 6-Pack (2Nd Gen) - B07ZPLN8R3
Dell
22K+
$549.00
Sensibo Air Pro + Door / Window Sensor
Sensibo
1K+
Free shipping
$549.00
Sensibo Air Pro + Door / Window Sensor
Sensibo
1K+
$39.99
Ring Alarm Contact Sensor 2-Pack - 2nd Gen | Instant Window & Door Alerts | Approximately 3-Year Battery Life | Slim Design | Easy Installation |
Amazon.com
27K+
Free shipping
$39.99
Ring Alarm Contact Sensor 2-Pack - 2nd Gen | Instant Window & Door Alerts | Approximately 3-Year Battery Life | Slim Design | Easy Installation |
Amazon.com
27K+
$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
22K+
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
22K+
$69.99
Ring Alarm Glass Break Sensor - 2-Pack
Amazon.com
2K+
Free shipping
$69.99
Ring Alarm Glass Break Sensor - 2-Pack
Amazon.com
2K+
$39.99
Simplisafe Glassbreak Sensor - 20ft. Range - Sound Detection Technology - Compatible With The Simplisafe Home Security System - Latest Gen
Amazon.com
984
Free shipping
$39.99
Simplisafe Glassbreak Sensor - 20ft. Range - Sound Detection Technology - Compatible With The Simplisafe Home Security System - Latest Gen
Amazon.com
984
$59.99
Ecobee Smart Sensor For Doors & Windows 2 Pack - Wifi Contact Sensor For Home Security, Energy Savings - Compatible With Smart Thermostats -
Amazon.com
394
Free shipping
$59.99
Ecobee Smart Sensor For Doors & Windows 2 Pack - Wifi Contact Sensor For Home Security, Energy Savings - Compatible With Smart Thermostats -
Amazon.com
394
$29.99
Door Window Alarm When Opened For Home Kids Safety With Remote, Door Entry Magnetic Sensor Alarm For Store/Garage,130Db Loud Alarm 4 Working Mode
Amazon.com
282
$29.99
Door Window Alarm When Opened For Home Kids Safety With Remote, Door Entry Magnetic Sensor Alarm For Store/Garage,130Db Loud Alarm 4 Working Mode
Amazon.com
282
$58.20
Fibaro Home Intelligence Z - Wave Door / Window Sensor2 , 908 , 4 Mhz , White , ZW5 | Wired4signs USA
Wired4Signs
45
$58.20
Fibaro Home Intelligence Z - Wave Door / Window Sensor2 , 908 , 4 Mhz , White , ZW5 | Wired4signs USA
Wired4Signs
45
$14.99
IKEA - PARASOLL Door/Window Sensor, Smart/White
IKEA
207
$14.99
IKEA - PARASOLL Door/Window Sensor, Smart/White
IKEA
207
$8.99
KERUI D121 Wireless Door And Window Sensor Alarm For Home Security And Kids Safety
Evalm
$8.99
KERUI D121 Wireless Door And Window Sensor Alarm For Home Security And Kids Safety
Evalm
$30.38
WBM Smart Wifi Door Sensor, Window Alarm Sensor, Wireless Security Alarm, App Control 4.39 H X 2.57 W X 2.57 D In
Wayfair
2
$30.38
WBM Smart Wifi Door Sensor, Window Alarm Sensor, Wireless Security Alarm, App Control 4.39 H X 2.57 W X 2.57 D In
Wayfair
2
$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+
$47.10
Safety Technology International, Inc. STI-3360 Wireless Entry Alert Chime With Receiver, Door Or Window Transmitter Sensor STI-3353 Receiver Sold
Amazon.com
Free shipping
$47.10
Safety Technology International, Inc. STI-3360 Wireless Entry Alert Chime With Receiver, Door Or Window Transmitter Sensor STI-3353 Receiver Sold
Amazon.com
Free shipping
$25.99
Feit Electric Wireless White Indoor Smart Wifi Door Window Sensor - MOT/DOORWIFIBAT
Acme Tools
$25.99
Feit Electric Wireless White Indoor Smart Wifi Door Window Sensor - MOT/DOORWIFIBAT
Acme Tools
$10.49
Smart Tuya Wifi Door And Window Sensor With PIR Motion Detection And APP Notifications For Home Security System
Evalm
$10.49
Smart Tuya Wifi Door And Window Sensor With PIR Motion Detection And APP Notifications For Home Security System
Evalm
$21.69
Smart Wifi Door And Window Alarm Sensor For Home Security
Evalm
$21.69
Smart Wifi Door And Window Alarm Sensor For Home Security
Evalm
$59.99
$79.99
Ecobee - Smartsensor For Doors And Windows (2-Pack) - White
Best Buy
53
Free shipping
25% off
$59.99
$79.99
Ecobee - Smartsensor For Doors And Windows (2-Pack) - White
Best Buy
53