Shop window sensors for alarm systems

Sponsored
About our ads
$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+
$13.98
Xfinity Door Window Sensor Home Security XHD2-LD (Latest Generation 2023)
Amazon.com
15
Free shipping
$13.98
Xfinity Door Window Sensor Home Security XHD2-LD (Latest Generation 2023)
Amazon.com
15
$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+
$18.89
Door Window Alarm, 90Db Door Alarms Sensor For Kids Safety, Home Security, Door Window Burglar Alarm, Window Pool Alarms For Home, Apartments,
Amazon.com
54
$18.89
Door Window Alarm, 90Db Door Alarms Sensor For Kids Safety, Home Security, Door Window Burglar Alarm, Window Pool Alarms For Home, Apartments,
Amazon.com
54
$14.99
Techrise Window Alarms Door Alarms,2-In-1 Alarm & Chime,Easy-To-Install Window Alarm Sensor,3-Level Volume Adjustment,Door Alarm For Pool,Kids
Amazon.com
161
$14.99
Techrise Window Alarms Door Alarms,2-In-1 Alarm & Chime,Easy-To-Install Window Alarm Sensor,3-Level Volume Adjustment,Door Alarm For Pool,Kids
Amazon.com
161
$63.14
Wireless Door Window Magnetic Sensor Alarm Detectors Home Security
eBay
Free shipping
$63.14
Wireless Door Window Magnetic Sensor Alarm Detectors Home Security
eBay
Free shipping
$48.25
433Mhz Wireless Window Door Magnet Alarm Sensor Door Detector For
eBay
Free shipping
$48.25
433Mhz Wireless Window Door Magnet Alarm Sensor Door Detector For
eBay
Free shipping
$14.99
Magnetic Reed Switch MC-32 NC/NO Surface Mount Wired Door Window Alarm, Magneti Door Switch, Contact Sensor, For Home Security And Burglar Alarm
Amazon.com
16
$14.99
Magnetic Reed Switch MC-32 NC/NO Surface Mount Wired Door Window Alarm, Magneti Door Switch, Contact Sensor, For Home Security And Burglar Alarm
Amazon.com
16
$52.61
Wireless Door Window Magnetic Sensor Alarm Detectors Home Security
eBay
Free shipping
$52.61
Wireless Door Window Magnetic Sensor Alarm Detectors Home Security
eBay
Free shipping
$112.03
Wireless Door Window Magnetic Sensor Alarm Detectors Home Security
eBay
Free shipping
$112.03
Wireless Door Window Magnetic Sensor Alarm Detectors Home Security
eBay
Free shipping
$63.10
Wireless Door Window Magnetic Sensor Alarm Detectors Home Security
eBay
Free shipping
$63.10
Wireless Door Window Magnetic Sensor Alarm Detectors Home Security
eBay
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+
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+
$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
$19.99
Inductive Door And Window Wireless Vibration Alarm 125Db Glass Breakage Anti-Theft Sensor Home Security Protection Alarm
LightInTheBox
$19.99
Inductive Door And Window Wireless Vibration Alarm 125Db Glass Breakage Anti-Theft Sensor Home Security Protection Alarm
LightInTheBox
$22.95
Door Alarm With Remote 2 Pack, 130Db Window Alarm Sensors For Kids Safety Home Security, Door Chime For Business When Entering, Adjustable Volume 5
Amazon.com
132
$22.95
Door Alarm With Remote 2 Pack, 130Db Window Alarm Sensors For Kids Safety Home Security, Door Chime For Business When Entering, Adjustable Volume 5
Amazon.com
132
$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
$25.99
$35.87
Blue By ADT 4Pk Door And Window Sensor For Home Security - White
defiantattoostudio.com
Free shipping
27% off
$25.99
$35.87
Blue By ADT 4Pk Door And Window Sensor For Home Security - White
defiantattoostudio.com
Free shipping
$43.53
PGST Door Sensor, Intelligent Home Door And Window Security Detection, Door Opening Alarm, 433Mhz Door Detector, Used To Detect
AliExpress
$43.53
PGST Door Sensor, Intelligent Home Door And Window Security Detection, Door Opening Alarm, 433Mhz Door Detector, Used To Detect
AliExpress
$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
$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
$11.37
Uxcell 3Pcs RC-33 NO Recessed Wired Security Window Door Contact Sensor Alarm Magnetic Reed Switch White | Harfington
harfington
$11.37
Uxcell 3Pcs RC-33 NO Recessed Wired Security Window Door Contact Sensor Alarm Magnetic Reed Switch White | Harfington
harfington
$24.99
Tuya Smart Wifi Door Window Sensor Door Open/Closed Detectors Sound And Light Alarm Timer Alarming APP Remote Monitoring Notification For Home Safety
Alexnld.com
$24.99
Tuya Smart Wifi Door Window Sensor Door Open/Closed Detectors Sound And Light Alarm Timer Alarming APP Remote Monitoring Notification For Home Safety
Alexnld.com
$57.69
Feit Electric Battery-Powered Smart Wi-Fi Door Window Sensor 3-Pack (MOT/DOOR/WIFI/BAT/3)
Lighting Supply
$57.69
Feit Electric Battery-Powered Smart Wi-Fi Door Window Sensor 3-Pack (MOT/DOOR/WIFI/BAT/3)
Lighting Supply
$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+
$41.97
Wireless Window Door Alarm Magnetic Sensor 110Db Anti-Theft Burglar
eBay
$41.97
Wireless Window Door Alarm Magnetic Sensor 110Db Anti-Theft Burglar
eBay
$19.99
$39.99
Goveelife Door And Window Sensor, 2-Pack
Govee-US
50% off
$19.99
$39.99
Goveelife Door And Window Sensor, 2-Pack
Govee-US
$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
$13.94
Uxcell 4Pcs RC-33 NO Recessed Wired Security Window Door Contact Sensor Alarm Magnetic Reed Switch White | Harfington
harfington
$13.94
Uxcell 4Pcs RC-33 NO Recessed Wired Security Window Door Contact Sensor Alarm Magnetic Reed Switch White | Harfington
harfington
$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
$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
$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
$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
$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
$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
$33.99
Window And Door Alarm When Opened (5 Pack) For Kids Safety/Home Security, Wireless Sliding Door Opening Sensor Alarms For Dementia, 120Db Burglar
Amazon.com
96
$33.99
Window And Door Alarm When Opened (5 Pack) For Kids Safety/Home Security, Wireless Sliding Door Opening Sensor Alarms For Dementia, 120Db Burglar
Amazon.com
96
$14.89
Door Window Alarm, 90DB Door Alarms For Kids Safety, Door Window Burglar Alarm, Window Pool Alarms For Home, Apartments, Offices, Hotel Rooms (10
Amazon.com
26
$14.89
Door Window Alarm, 90DB Door Alarms For Kids Safety, Door Window Burglar Alarm, Window Pool Alarms For Home, Apartments, Offices, Hotel Rooms (10
Amazon.com
26
Sponsored
“Best Security Systems 2024”
simplisafe.com
▼
Learn More
How to Install a Window Sensor on a Sliding Window for your Security System
1:11
How to Install a Window Sensor on a Sliding Window for your Security …
8.6K viewsApr 16, 2020
YouTubeCanadian Security Professionals
How to install Window Door Sensors & PIR Motion Sensors - OSI Wireless Alarm System
10:16
How to install Window Door Sensors & PIR Motion Sensors - OSI Wirele…
18.6K viewsDec 31, 2020
YouTubeOSI Go Direct
Double Hung Window Alarm Sensor Magnet Contact SOLUTION? LifeShield Alarm System
12:32
Double Hung Window Alarm Sensor Magnet Contact SOLUTION? LifeS…
40.6K viewsApr 28, 2019
YouTubeOzark Wild
DSC PG9307 Recessed Wireless Door/Window Sensor Installation
4:34
DSC PG9307 Recessed Wireless Door/Window Sensor Installation
19.2K viewsAug 24, 2022
YouTubeAlarm System Store
Re-Attaching a Door or Window Sensor | ADT Home Security
1:57
Re-Attaching a Door or Window Sensor | ADT Home Security
354.9K viewsMay 27, 2015
YouTubeADT
Ring Security System Window And Door Sensor Installation
14:51
Ring Security System Window And Door Sensor Installation
111.7K viewsDec 6, 2019
YouTubeOne Hour Smart Home
Sponsored
ADT® Systems & Pricing
www.adt.com
▼
Contact Us
How to set up your ADT Door/Window Sensors
4:00
How to set up your ADT Door/Window Sensors
31.1K viewsJun 6, 2024
YouTubeADT
2:00
WIRELESS DOOR AND WINDOW SENSOR Installation | evohome se…
144.9K viewsSep 19, 2017
YouTubeHoneywell Home
1:19
TELUS | How to install your Door and Window Sensor
68.2K viewsDec 17, 2020
YouTubeTELUS
6:48
Door and Window Sensors 101!
33.7K viewsSep 7, 2021
YouTubeSecurity.org
8:07
Top 5 Best Window Alarm
9.6K viewsMar 14, 2022
YouTubeHowMuchBest
0:46
Window and Door Sensors | CPI Security
6.6K viewsSep 29, 2023
YouTubeCPI Security
3:14
Swann Window/Door Alert Sensor - Intro (Oct 2021)
7.3K viewsOct 1, 2021
YouTubeSwann - Security You Can Trust
3:44
Simplisafe Review: 3/6 - Door and Window Entry Sensors
173K viewsMay 30, 2014
YouTubeInHomeReviews
0:46
How to install your door window sensor
113.8K viewsApr 11, 2013
YouTubeSecuredBySam
0:52
TELUS | Replace the batteries in your Door and Window Sensor (Al…
43.8K viewsDec 17, 2020
YouTubeTELUS
3:14
How to pair & remove old/new xfinity door and window sensors
21.4K viewsSep 10, 2021
YouTubeThe Underground Shuffle Podcast
12:36
Door and Window Sensor Automation Ideas - Using Contact …
100.8K viewsOct 13, 2021
YouTubeHome Automation Guy
1:21
GE Personal Security Window/Door Alarm
60.2K viewsDec 6, 2020
YouTubeSteve Sherron
13:48
Eufy Home Security Alarm 5 Pc. Kit Review - Unboxing, Features, Setu…
285.8K viewsSep 12, 2020
YouTubeLifeHackster
26:12
Konnected Alarm Panel Pro alarm system conversion kit installation …
74.4K viewsOct 29, 2021
YouTubeKonnected
25:59
Series and Parallel Wiring With Alarm Systems Explained
18.5K viewsMay 24, 2023
YouTubeAlarm System Store
10:13
How to make a door security alarm with Arduino Reed switch and buz…
10.3K viewsMar 18, 2022
YouTubeIdukunda Lengo
0:27
Door Window Alarm 2 Pack Noopel Home Security Sensor Burglar Ant…
4 viewsApr 2, 2018
amazon.com
1:46
Ring Alarm Contact Sensor Installation | DIY | Ring Support
581.5K viewsJul 3, 2018
YouTubeRing
6:07
How to Install Magnetic Alarm | Door Window Alarm | Anti Theft Securit…
384K viewsOct 6, 2021
YouTubeAutomation Dude
8:14
Ring Alarm Glass Break Sensor - Setup & Install | Better Than Alex…
163K viewsMar 19, 2022
YouTubeLifeHackster
7:04
Ring Alarm Sensor Installation in Double Hung Windows
56.4K viewsApr 16, 2020
YouTubeRetro Tech & Electronics
8:54
Setup guide of a Wi-Fi Smart Door/Window sensor with the Sma…
15.1K viewsJan 18, 2022
YouTubeDigital Butler
0:21
Amazon.com : Wireless Door Alarm When Opened with Remote (2 Pac…
Nov 22, 2023
amazon
See more videos
Static thumbnail place holder

Short videos

0:39
Maximize Home Security with Window and Door Alarms
3K views1 month ago
TikTokbandila01
1:04
Garage door security with the Qolsys 9945 Window Door …
599 views3 months ago
YouTubeEvergreen Networking and Security
0:26
Zigbee Door/Window Sensor | Smart Security for Homes …
21 views4 weeks ago
YouTubeOWON -Smart
1:00
Easiest Way to Change Wireless Alarm Sensor Batt…
8.4K viewsJun 22, 2024
YouTubeBatteries In A Flash
0:33
Step 4: Wireless Door and Window Sensor 4 of 4
594 viewsApr 10, 2020
YouTubePost Alarm Systems
2:29
How to put one Simplisafe entry sensor on double hu…
4.6K viewsApr 8, 2022
YouTubetangtoni
0:56
SONOFF DW2-WiFi Unboxing | Wireless Smart Home Sen…
1.4K views2 weeks ago
YouTubeFusion Automate
0:53
Motion Sensor Alarm and Door Window Security Solu…
5.6K views2 months ago
TikTokavizone.tt
0:59
ADT Command Wireless Door / Window Sensor repl…
40.1K viewsDec 12, 2022
YouTube家華安防 programming made simple
0:46
Replace battery on a Honeywell glass break sen…
11.1K viewsApr 20, 2022
YouTubeAegis Security Solutions
0:21
Preorder Door and Window Security Alarms Now
190.7K views4 months ago
TikTokflexyophelimports
0:58
Philips Entry Alarms - Part 2
4.7K viewsMar 21, 2024
YouTubeTheGearTester
1:35
Custom Alarm Systems for Doors and Windows
5K views5 months ago
TikTokmoonstar_tz
1:34
Alarm System For The Toyota Hilux | Protect Your …
321 views2 months ago
YouTubeImmobiliser Fit
0:13
Door & Windor Sensor Alarm System
930 views3 months ago
YouTubeSmart Collection
0:09
How to Make a Motion Detector Security Alarm Sy…
4.9K views2 months ago
YouTubeMD NURUL ISLAM
0:13
Is Your Home REALLY Safe? 🤔 This Tiny Gadget is a Gam…
23 views2 weeks ago
YouTubeTRENDYBAZA
0:13
Door Contact Alarm Sensor for Home Security
26.1K viewsFeb 27, 2023
TikTokkerui_official
0:41
Make a Home Security System under 30 seconds …
45.4K viewsDec 29, 2022
YouTubeTHE ELECTRONIC GUY
0:12
Wiring for Alarm Contact Test
2.6K viewsJul 29, 2016
YouTubeICR Technical Videos
Static thumbnail place holder

Shop window sensors for alarm systems

Sponsored
About our ads
$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+
$13.98
Xfinity Door Window Sensor Home Security XHD2-LD (Latest Generation 2023)
Amazon.com
15
Free shipping
$13.98
Xfinity Door Window Sensor Home Security XHD2-LD (Latest Generation 2023)
Amazon.com
15
$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+
$18.89
Door Window Alarm, 90Db Door Alarms Sensor For Kids Safety, Home Security, Door Window Burglar Alarm, Window Pool Alarms For Home, Apartments,
Amazon.com
54
$18.89
Door Window Alarm, 90Db Door Alarms Sensor For Kids Safety, Home Security, Door Window Burglar Alarm, Window Pool Alarms For Home, Apartments,
Amazon.com
54
$14.99
Techrise Window Alarms Door Alarms,2-In-1 Alarm & Chime,Easy-To-Install Window Alarm Sensor,3-Level Volume Adjustment,Door Alarm For Pool,Kids
Amazon.com
161
$14.99
Techrise Window Alarms Door Alarms,2-In-1 Alarm & Chime,Easy-To-Install Window Alarm Sensor,3-Level Volume Adjustment,Door Alarm For Pool,Kids
Amazon.com
161
$63.14
Wireless Door Window Magnetic Sensor Alarm Detectors Home Security
eBay
Free shipping
$63.14
Wireless Door Window Magnetic Sensor Alarm Detectors Home Security
eBay
Free shipping
$48.25
433Mhz Wireless Window Door Magnet Alarm Sensor Door Detector For
eBay
Free shipping
$48.25
433Mhz Wireless Window Door Magnet Alarm Sensor Door Detector For
eBay
Free shipping
$14.99
Magnetic Reed Switch MC-32 NC/NO Surface Mount Wired Door Window Alarm, Magneti Door Switch, Contact Sensor, For Home Security And Burglar Alarm
Amazon.com
16
$14.99
Magnetic Reed Switch MC-32 NC/NO Surface Mount Wired Door Window Alarm, Magneti Door Switch, Contact Sensor, For Home Security And Burglar Alarm
Amazon.com
16
$52.61
Wireless Door Window Magnetic Sensor Alarm Detectors Home Security
eBay
Free shipping
$52.61
Wireless Door Window Magnetic Sensor Alarm Detectors Home Security
eBay
Free shipping
$112.03
Wireless Door Window Magnetic Sensor Alarm Detectors Home Security
eBay
Free shipping
$112.03
Wireless Door Window Magnetic Sensor Alarm Detectors Home Security
eBay
Free shipping
$63.10
Wireless Door Window Magnetic Sensor Alarm Detectors Home Security
eBay
Free shipping
$63.10
Wireless Door Window Magnetic Sensor Alarm Detectors Home Security
eBay
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+
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+
$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
$19.99
Inductive Door And Window Wireless Vibration Alarm 125Db Glass Breakage Anti-Theft Sensor Home Security Protection Alarm
LightInTheBox
$19.99
Inductive Door And Window Wireless Vibration Alarm 125Db Glass Breakage Anti-Theft Sensor Home Security Protection Alarm
LightInTheBox
$22.95
Door Alarm With Remote 2 Pack, 130Db Window Alarm Sensors For Kids Safety Home Security, Door Chime For Business When Entering, Adjustable Volume 5
Amazon.com
132
$22.95
Door Alarm With Remote 2 Pack, 130Db Window Alarm Sensors For Kids Safety Home Security, Door Chime For Business When Entering, Adjustable Volume 5
Amazon.com
132
$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
$25.99
$35.87
Blue By ADT 4Pk Door And Window Sensor For Home Security - White
defiantattoostudio.com
Free shipping
27% off
$25.99
$35.87
Blue By ADT 4Pk Door And Window Sensor For Home Security - White
defiantattoostudio.com
Free shipping
$43.53
PGST Door Sensor, Intelligent Home Door And Window Security Detection, Door Opening Alarm, 433Mhz Door Detector, Used To Detect
AliExpress
$43.53
PGST Door Sensor, Intelligent Home Door And Window Security Detection, Door Opening Alarm, 433Mhz Door Detector, Used To Detect
AliExpress