Shop window sensors

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$52.94
2 Pack - Honeywell 5800MINI Door/Window Transmitter (REPLACES DISCONTINUED HONEYWELL 5811)
Amazon.com
141
Free shipping
$52.94
2 Pack - Honeywell 5800MINI Door/Window Transmitter (REPLACES DISCONTINUED HONEYWELL 5811)
Amazon.com
141
$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
24K+
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
24K+
$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
22K+
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
22K+
$59.99
Ecobee Smart Sensor For Doors & Windows 2 Pack - Wifi Contact Sensor For Home Security, Energy Savings - Compatible With Smart Thermostats -
Amazon.com
740
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
740
$1,332.00
Sensibo Air Pro + Door / Window Sensor
Sensibo
1K+
Free shipping
$1,332.00
Sensibo Air Pro + Door / Window Sensor
Sensibo
1K+
$39.99
Simplisafe Glassbreak Sensor - 20ft. Range - Sound Detection Technology - Compatible With The Simplisafe Home Security System - Latest Gen
Amazon.com
1K+
Free shipping
$39.99
Simplisafe Glassbreak Sensor - 20ft. Range - Sound Detection Technology - Compatible With The Simplisafe Home Security System - Latest Gen
Amazon.com
1K+
$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+
$17.99
Door Alarms For Kids Safety, VOXON Door Alarm For Home Security Window Alarm Personal Security Alarms Sensor Burglar For Pool, Cars, Sheds, Caravans
Amazon.com
2K+
$17.99
Door Alarms For Kids Safety, VOXON Door Alarm For Home Security Window Alarm Personal Security Alarms Sensor Burglar For Pool, Cars, Sheds, Caravans
Amazon.com
2K+
$21.99
OSI Wireless Contact Sensors (Gen 2) White, Accessory For OSI Smart Alarm System (Gen 2), Wi-Fi Wireless Door & Window Sensor, With 3m Adhesive, Use
Amazon.com
4
$21.99
OSI Wireless Contact Sensors (Gen 2) White, Accessory For OSI Smart Alarm System (Gen 2), Wi-Fi Wireless Door & Window Sensor, With 3m Adhesive, Use
Amazon.com
4
$39.99
Window Alarm Sensors, Door Alarms For Home Security Loud, 120DB Pool Window And Door Alarms For Kids Safety (10 Pack)
Amazon.com
193
Free shipping
$39.99
Window Alarm Sensors, Door Alarms For Home Security Loud, 120DB Pool Window And Door Alarms For Kids Safety (10 Pack)
Amazon.com
193
$32.88
Window Door Alarm, 125Db Door Alarm For Kids Safety, Door Window Sensor For Home Security
Amazon.com
51
$32.88
Window Door Alarm, 125Db Door Alarm For Kids Safety, Door Window Sensor For Home Security
Amazon.com
51
$14.99
Simplisafe Entry Sensor - Window And Door Protection - Compatible With Gen 3 Home Security System
Amazon.com
3K+
$14.99
Simplisafe Entry Sensor - Window And Door Protection - Compatible With Gen 3 Home Security System
Amazon.com
3K+
$29.99
Eufy Security Entry Sensor, Detects Opened And Closed Doors Or Windows, Door Monitoring, Sends Alerts, Triggers Siren, 2-Year Battery Life, Indoor
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
Amazon.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
$13.99
Victorshome Magnetic Reed Switch RC-33 NC Recessed Wired Window Door Contact Sensor For Home Security And Burglar Alarm Systems 10 Pcs
Amazon.com
$13.99
Victorshome Magnetic Reed Switch RC-33 NC Recessed Wired Window Door Contact Sensor For Home Security And Burglar Alarm Systems 10 Pcs
Amazon.com
$75.99
THIRDREALITY Zigbee Contact Sensor 4 Pack, Door And Window Monitor, Home Automation,Works With Home Assistant,Smartthings,Aeotec,Homey,Hubitat Or
Amazon.com
699
Free shipping
$75.99
THIRDREALITY Zigbee Contact Sensor 4 Pack, Door And Window Monitor, Home Automation,Works With Home Assistant,Smartthings,Aeotec,Homey,Hubitat Or
Amazon.com
699
$54.99
Aqara Zigbee Door And Window Sensor 3 Pack, Wireless Mini Contact Sensor, Home Automation, Requires Aqara Hub, Zigbee Connection, Kid Safety,
Amazon.com
6K+
Free shipping
$54.99
Aqara Zigbee Door And Window Sensor 3 Pack, Wireless Mini Contact Sensor, Home Automation, Requires Aqara Hub, Zigbee Connection, Kid Safety,
Amazon.com
6K+
$100.75
Illumra E9T-MDCCP WIRELESS WINDOW/DOOR SENSOR
DigiKey
$100.75
Illumra E9T-MDCCP WIRELESS WINDOW/DOOR SENSOR
DigiKey
$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
$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
$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
$60.91
ELK-6021 Thin Wireless Window Sensor
JMAC
1
$60.91
ELK-6021 Thin Wireless Window Sensor
JMAC
1
$29.95
Door/Window Open Sensor Add-On
Smart Caregiver
1
$29.95
Door/Window Open Sensor Add-On
Smart Caregiver
1
$230.77
Feit Electric Battery-Powered Smart Wi-Fi Door Window Sensor 12-Pack (MOT/DOOR/WIFI/BAT/12)
Lighting Supply
$230.77
Feit Electric Battery-Powered Smart Wi-Fi Door Window Sensor 12-Pack (MOT/DOOR/WIFI/BAT/12)
Lighting Supply
$38.50
UTC (Formerly GE Security/Caddx) NX-450 SAW Door/Window Sensor
JMAC
$38.50
UTC (Formerly GE Security/Caddx) NX-450 SAW Door/Window Sensor
JMAC
$18.50
UTC Interlogix (Formerly GE Security/Caddx) TX-1012-01-1 Micro Crystal Door/Window Sensor, White
JMAC
8
$18.50
UTC Interlogix (Formerly GE Security/Caddx) TX-1012-01-1 Micro Crystal Door/Window Sensor, White
JMAC
8
$29.95
Wireless Window/Door Exit Sensor
Concord Health Supply
$29.95
Wireless Window/Door Exit Sensor
Concord Health Supply
$638.99
Liftmaster IPAC Light Sensor And Camera Window Kit | All Security Equipment
All Security Equipment
$638.99
Liftmaster IPAC Light Sensor And Camera Window Kit | All Security Equipment
All Security Equipment
$574.24
$644.34
Liftmaster IPACLSBK IPAC Light Sensor And Camera Window Kit
Preferred Doors
10% off
$574.24
$644.34
Liftmaster IPACLSBK IPAC Light Sensor And Camera Window Kit
Preferred Doors
$49.49
General Electric 36017 Alarm Kit 3 Window Alarms
FinditParts
$49.49
General Electric 36017 Alarm Kit 3 Window Alarms
FinditParts
$24.71
American Lighting SPKPL-SNS-CNTCT-WH Spektrum+ Door & Window Contact Sensor | Buyrite Electric
BuyRite Electric
$24.71
American Lighting SPKPL-SNS-CNTCT-WH Spektrum+ Door & Window Contact Sensor | Buyrite Electric
BuyRite Electric
$128.00
SICK WINDOW - Sensors & Switches & Photoelectric Supplies
Radwell.com
$128.00
SICK WINDOW - Sensors & Switches & Photoelectric Supplies
Radwell.com
$15.25
United Security 724G Glass Break Detector Window Bug, Gray, HG Compliant
JMAC
1
$15.25
United Security 724G Glass Break Detector Window Bug, Gray, HG Compliant
JMAC
1
$119.99
Ring Alarm Wireless Contact Sensors (2Nd Gen), White, 6/Pack (B07ZPLN8R3)
Staples
$119.99
Ring Alarm Wireless Contact Sensors (2Nd Gen), White, 6/Pack (B07ZPLN8R3)
Staples
$1,422.98
Horton WINDOW SCAN SENSOR C1160-5
DkHardware.com
$1,422.98
Horton WINDOW SCAN SENSOR C1160-5
DkHardware.com
$34.39
Feit Electric Door And Window Sensor Smart Battery Powered Indoor White White MOT/DOORWIFIBAT
DkHardware.com
$34.39
Feit Electric Door And Window Sensor Smart Battery Powered Indoor White White MOT/DOORWIFIBAT
DkHardware.com
$46.25
Honeywell Intellisense FG-1625 25' Acoustic Glassbreak Sensor
JMAC
54
$46.25
Honeywell Intellisense FG-1625 25' Acoustic Glassbreak Sensor
JMAC
54
How to Install Door and Window Sensors | Step-by-Step Entry Sensor Installation Guide
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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!
33.7K viewsSep 7, 2021
YouTubeSecurity.org
Window Sensor Install (DIY/DIT)
2:01
Window Sensor Install (DIY/DIT)
9.2K 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
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
354.9K viewsMay 27, 2015
YouTubeADT
These are the BEST door/window sensors for home automation
11:47
Find in video from 0:00Introduction to Door/Window Sensors
These are the BEST door/window sensors for home automation
20.5K viewsDec 22, 2021
YouTubeHomey
YoLink Door & Window Sensor Review: Smart Home Security
6:50
YoLink Door & Window Sensor Review: Smart Home Security
14 views6 months ago
YouTubelet's investigate
0:46
Find in video from 00:12Positioning the Door Window Sensor
How to install your door window sensor
113.8K viewsApr 11, 2013
YouTubeSecuredBySam
1:19
Find in video from 00:18Setting Up the Sensor
TELUS | How to install your Door and Window Sensor
68.2K viewsDec 17, 2020
YouTubeTELUS
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
4:00
Find in video from 00:12Unpacking the Sensors
How to set up your ADT Door/Window Sensors
31.1K viewsJun 6, 2024
YouTubeADT
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
2:05
Find in video from 00:33Preparing the Sensor
Reinstalling a Door & Window Sensor
147K viewsNov 8, 2017
YouTubeADT
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
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
2:25
How to set up your ADT Door or Window Sensor
94.4K viewsJan 3, 2023
YouTubeADT
1:40
How to Replace the Battery for a Door & Window Sensor
140.8K viewsFeb 14, 2021
YouTubeGuardian Protection
2:18
Find in video from 00:26Understanding Sensor and Magnet
How to Install Guardian Protection's Door/Window Sensor Interlogix - P…
3K viewsJul 16, 2020
YouTubeGuardian Protection
4:32
Find in video from 00:14Types of Sensors
Ring Security System Window & Door Sensor Review: Will it protec…
20.5K viewsMar 9, 2019
YouTubeOne Hour Smart Home
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
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
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
3:06
How to change the battery in your ADT Command Door/Window Sen…
23K views8 months ago
YouTubeADT
3:14
Swann Window/Door Alert Sensor - Intro (Oct 2021)
7.3K viewsOct 1, 2021
YouTubeSwann - Security You Can Trust
3:14
Find in video from 01:46Adding Sensors
How to pair & remove old/new xfinity door and window sensors
21.4K viewsSep 10, 2021
YouTubeThe Underground Shuffle Podcast
3:04
Find in video from 0:00Introduction to Door and Window Security Sensors
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26.4K viewsAug 31, 2019
YouTubeSecurity AllStar
2:28
Find in video from 00:24Auto Learn a Sensor
Brinks Home Door/Window Contact Sensor (Qolsys QS1135-840) - Pro…
7.6K viewsAug 25, 2022
YouTubeBrinks Home
5:43
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4 views2 months ago
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Static thumbnail place holder

Shop window sensors

Sponsored
About our ads
$52.94
2 Pack - Honeywell 5800MINI Door/Window Transmitter (REPLACES DISCONTINUED HONEYWELL 5811)
Amazon.com
141
Free shipping
$52.94
2 Pack - Honeywell 5800MINI Door/Window Transmitter (REPLACES DISCONTINUED HONEYWELL 5811)
Amazon.com
141
$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
24K+
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
24K+
$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
22K+
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
22K+
$59.99
Ecobee Smart Sensor For Doors & Windows 2 Pack - Wifi Contact Sensor For Home Security, Energy Savings - Compatible With Smart Thermostats -
Amazon.com
740
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
740
$1,332.00
Sensibo Air Pro + Door / Window Sensor
Sensibo
1K+
Free shipping
$1,332.00
Sensibo Air Pro + Door / Window Sensor
Sensibo
1K+
$39.99
Simplisafe Glassbreak Sensor - 20ft. Range - Sound Detection Technology - Compatible With The Simplisafe Home Security System - Latest Gen
Amazon.com
1K+
Free shipping
$39.99
Simplisafe Glassbreak Sensor - 20ft. Range - Sound Detection Technology - Compatible With The Simplisafe Home Security System - Latest Gen
Amazon.com
1K+
$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+
$17.99
Door Alarms For Kids Safety, VOXON Door Alarm For Home Security Window Alarm Personal Security Alarms Sensor Burglar For Pool, Cars, Sheds, Caravans
Amazon.com
2K+
$17.99
Door Alarms For Kids Safety, VOXON Door Alarm For Home Security Window Alarm Personal Security Alarms Sensor Burglar For Pool, Cars, Sheds, Caravans
Amazon.com
2K+
$21.99
OSI Wireless Contact Sensors (Gen 2) White, Accessory For OSI Smart Alarm System (Gen 2), Wi-Fi Wireless Door & Window Sensor, With 3m Adhesive, Use
Amazon.com
4
$21.99
OSI Wireless Contact Sensors (Gen 2) White, Accessory For OSI Smart Alarm System (Gen 2), Wi-Fi Wireless Door & Window Sensor, With 3m Adhesive, Use
Amazon.com
4
$39.99
Window Alarm Sensors, Door Alarms For Home Security Loud, 120DB Pool Window And Door Alarms For Kids Safety (10 Pack)
Amazon.com
193
Free shipping
$39.99
Window Alarm Sensors, Door Alarms For Home Security Loud, 120DB Pool Window And Door Alarms For Kids Safety (10 Pack)
Amazon.com
193
$32.88
Window Door Alarm, 125Db Door Alarm For Kids Safety, Door Window Sensor For Home Security
Amazon.com
51
$32.88
Window Door Alarm, 125Db Door Alarm For Kids Safety, Door Window Sensor For Home Security
Amazon.com
51
$14.99
Simplisafe Entry Sensor - Window And Door Protection - Compatible With Gen 3 Home Security System
Amazon.com
3K+
$14.99
Simplisafe Entry Sensor - Window And Door Protection - Compatible With Gen 3 Home Security System
Amazon.com
3K+
$29.99
Eufy Security Entry Sensor, Detects Opened And Closed Doors Or Windows, Door Monitoring, Sends Alerts, Triggers Siren, 2-Year Battery Life, Indoor
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
Amazon.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
$13.99
Victorshome Magnetic Reed Switch RC-33 NC Recessed Wired Window Door Contact Sensor For Home Security And Burglar Alarm Systems 10 Pcs
Amazon.com
$13.99
Victorshome Magnetic Reed Switch RC-33 NC Recessed Wired Window Door Contact Sensor For Home Security And Burglar Alarm Systems 10 Pcs
Amazon.com
$75.99
THIRDREALITY Zigbee Contact Sensor 4 Pack, Door And Window Monitor, Home Automation,Works With Home Assistant,Smartthings,Aeotec,Homey,Hubitat Or
Amazon.com
699
Free shipping
$75.99
THIRDREALITY Zigbee Contact Sensor 4 Pack, Door And Window Monitor, Home Automation,Works With Home Assistant,Smartthings,Aeotec,Homey,Hubitat Or
Amazon.com
699
$54.99
Aqara Zigbee Door And Window Sensor 3 Pack, Wireless Mini Contact Sensor, Home Automation, Requires Aqara Hub, Zigbee Connection, Kid Safety,
Amazon.com
6K+
Free shipping
$54.99
Aqara Zigbee Door And Window Sensor 3 Pack, Wireless Mini Contact Sensor, Home Automation, Requires Aqara Hub, Zigbee Connection, Kid Safety,
Amazon.com
6K+
$100.75
Illumra E9T-MDCCP WIRELESS WINDOW/DOOR SENSOR
DigiKey
$100.75
Illumra E9T-MDCCP WIRELESS WINDOW/DOOR SENSOR
DigiKey