Shop Ring Window Contact Sensor

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
26K+
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
26K+
$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
26K+
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
26K+
$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
$79.99
Ring Retrofit Alarm Kit | Convert Wired Security Contact Sensors To Ring Smart System | Compatible With Most Door & Motion Sensors| Pro Install
Amazon.com
Free shipping
$79.99
Ring Retrofit Alarm Kit | Convert Wired Security Contact Sensors To Ring Smart System | Compatible With Most Door & Motion Sensors| Pro Install
Amazon.com
Free shipping
$14.99
$19.99
Ring - Alarm Contact Sensor (2Nd Gen) (1-Pack) - White
Best Buy Marketplace
25% off
$14.99
$19.99
Ring - Alarm Contact Sensor (2Nd Gen) (1-Pack) - White
Best Buy Marketplace
$69.99
Ring Alarm Glass Break Sensor - 2-Pack
Amazon.com
1K+
Free shipping
$69.99
Ring Alarm Glass Break Sensor - 2-Pack
Amazon.com
1K+
$25.00
1-Pack /2 Piece - Ring - Alarm Contact Sensor (2Nd Gen)- White-Sealed
eBay
79
Free shipping
$25.00
1-Pack /2 Piece - Ring - Alarm Contact Sensor (2Nd Gen)- White-Sealed
eBay
79
$14.99
$19.99
Ring Alarm Contact Sensor (2Nd Gen) 1-Pack - White
eBay
Free shipping
25% off
$14.99
$19.99
Ring Alarm Contact Sensor (2Nd Gen) 1-Pack - White
eBay
Free shipping
$12.99
Ring Alarm Contact Sensor (2Nd Gen) 1-Pack - White - Brand & Free
eBay
$12.99
Ring Alarm Contact Sensor (2Nd Gen) 1-Pack - White - Brand & Free
eBay
$99.99
Ring Alarm Door And Window Sensor - 6Pk: Connects With Android & Ios Devices, Size: ,
Target
$99.99
Ring Alarm Door And Window Sensor - 6Pk: Connects With Android & Ios Devices, Size: ,
Target
$119.99
Ring Alarm Home Security System Contact Sensor Add-On Window Door 2nd
eBay
63
Free shipping
$119.99
Ring Alarm Home Security System Contact Sensor Add-On Window Door 2nd
eBay
63
$20.00
Ring Alarm Contact Sensor (2Nd Gen) 1-Pack - White
eBay
Free shipping
$20.00
Ring Alarm Contact Sensor (2Nd Gen) 1-Pack - White
eBay
Free shipping
$17.98
Ring Alarm Contact Sensor (2Nd Gen) 1-Pack - White
eBay
Free shipping
$17.98
Ring Alarm Contact Sensor (2Nd Gen) 1-Pack - White
eBay
Free shipping
$14.49
Ring Alarm Contact Sensor 2nd Gen White 1 Pack
eBay
26K+
Free shipping
$14.49
Ring Alarm Contact Sensor 2nd Gen White 1 Pack
eBay
26K+
$64.79
$79.99
Ring 2-Pack Contact Sensors, White
Seventh Avenue
19% off
$64.79
$79.99
Ring 2-Pack Contact Sensors, White
Seventh Avenue
$15.99
Ring Open Window Magnet For Ring Alarm Contact Sensor - White (2 PACK)
eBay
2
Free shipping
$15.99
Ring Open Window Magnet For Ring Alarm Contact Sensor - White (2 PACK)
eBay
2
$59.99
Ring Alarm Window And Door Contact Sensor 2nd Gen 4 Pack White
eBay
$59.99
Ring Alarm Window And Door Contact Sensor 2nd Gen 4 Pack White
eBay
$64.79
$79.99
Ring 2-Pack Contact Sensors, White
Montgomery Ward
19% off
$64.79
$79.99
Ring 2-Pack Contact Sensors, White
Montgomery Ward
$44.98
Ring Alarm Contact Sensor 2-Pack, 2nd Gen, Window/Door Alerts
eBay
Free shipping
$44.98
Ring Alarm Contact Sensor 2-Pack, 2nd Gen, Window/Door Alerts
eBay
Free shipping
$14.49
Ring Alarm Contact Sensor 2nd Gen Wireless Sensor For Door & Window Sensor NIB. Ring. White. Sensors & Motion Detectors.
eBay
$14.49
Ring Alarm Contact Sensor 2nd Gen Wireless Sensor For Door & Window Sensor NIB. Ring. White. Sensors & Motion Detectors.
eBay
$45.95
Ring Alarm Door Window Contact Sensor 2-Pack Lot Of 2X 4SD2SZ-0EN0 2nd Gen White. Ring. White. Door & Window Sensors. 842861111088.
eBay
$45.95
Ring Alarm Door Window Contact Sensor 2-Pack Lot Of 2X 4SD2SZ-0EN0 2nd Gen White. Ring. White. Door & Window Sensors. 842861111088.
eBay
$48.00
Ring Alarm Window And Door Contact Sensor 3. Ring. White. Door & Window Sensors.
eBay
Free shipping
$48.00
Ring Alarm Window And Door Contact Sensor 3. Ring. White. Door & Window Sensors.
eBay
Free shipping
$53.00
Ring Alarm Window And Door Contact Sensor (2Nd Gen) 4-Pack - White
eBay
Free shipping
$53.00
Ring Alarm Window And Door Contact Sensor (2Nd Gen) 4-Pack - White
eBay
Free shipping
$7.99
Ring Alarm Contact Sensor 2nd Gen Wireless Sensor For Door & Window Sensor NIB. Ring. White. Sensors & Motion Detectors.
eBay
Free shipping
$7.99
Ring Alarm Contact Sensor 2nd Gen Wireless Sensor For Door & Window Sensor NIB. Ring. White. Sensors & Motion Detectors.
eBay
Free shipping
$12.77
Ring Alarm Contact Sensor 2nd Gen Window & Door Security No Batteries. Ring. White. IP & Smart Security Camera Systems. 4SD1S70EN0.
eBay
Free shipping
$12.77
Ring Alarm Contact Sensor 2nd Gen Window & Door Security No Batteries. Ring. White. IP & Smart Security Camera Systems. 4SD1S70EN0.
eBay
Free shipping
$50.98
Ring Contact Sensor 2-Pack Wireless Door Window Sensor Ring Alarm Alexa New. Ring. White. Sensors & Motion Detectors.
eBay
Free shipping
$50.98
Ring Contact Sensor 2-Pack Wireless Door Window Sensor Ring Alarm Alexa New. Ring. White. Sensors & Motion Detectors.
eBay
Free shipping
$14.95
Ring Alarm 2nd Gen Contact Sensor - White
eBay
16
Free shipping
$14.95
Ring Alarm 2nd Gen Contact Sensor - White
eBay
16
$24.99
2 X Ring Alarm Contact Sensor 2nd Gen Window & Door Security New /Open. Ring. White. IP & Smart Security Camera Systems. 4SD1S70EN0.
eBay
Free shipping
$24.99
2 X Ring Alarm Contact Sensor 2nd Gen Window & Door Security New /Open. Ring. White. IP & Smart Security Camera Systems. 4SD1S70EN0.
eBay
Free shipping
$50.86
$81.38
Ring Alarm Contact Sensor
topbraggrealtyusa
37% off
$50.86
$81.38
Ring Alarm Contact Sensor
topbraggrealtyusa
$25.00
NEW Ring Motion Alert Contact Sensor 2 Pack Window Door. Ring. White. Personal Alarms. 0842861111088.
eBay
79
$25.00
NEW Ring Motion Alert Contact Sensor 2 Pack Window Door. Ring. White. Personal Alarms. 0842861111088.
eBay
79
$77.90
Ring Alarm Window And Door Contact Sensor White 2 Gen Z Wave Device Dsk New!
Everymarket INC
26K+
$77.90
Ring Alarm Window And Door Contact Sensor White 2 Gen Z Wave Device Dsk New!
Everymarket INC
26K+
$12.00
Custom Low Profile Ring Open Window / Door Magnet For Ring Alarm Contact Sensor
eBay
$12.00
Custom Low Profile Ring Open Window / Door Magnet For Ring Alarm Contact Sensor
eBay
$9.99
Ring Alarm Contact Sensor 2nd Gen Wireless Sensor For Door & Window Sensor NIB. Ring. White. Sensors & Motion Detectors.
eBay
Free shipping
$9.99
Ring Alarm Contact Sensor 2nd Gen Wireless Sensor For Door & Window Sensor NIB. Ring. White. Sensors & Motion Detectors.
eBay
Free shipping
$29.98
Ring Alarm Wireless Contact Sensor - 2nd Gen / White / 2 Pack Window,
eBay
79
$29.98
Ring Alarm Wireless Contact Sensor - 2nd Gen / White / 2 Pack Window,
eBay
79
$14.99
Ring Alarm Contact Sensor 2nd Gen Wireless Sensor For Door & Window Sensor NIB. Ring. White. Sensors & Motion Detectors.
eBay
Free shipping
$14.99
Ring Alarm Contact Sensor 2nd Gen Wireless Sensor For Door & Window Sensor NIB. Ring. White. Sensors & Motion Detectors.
eBay
Free shipping
$19.95
Ring Alarm Contact Sensor (2Nd Gen) Set Of 2 White New Sealed
eBay
Free shipping
$19.95
Ring Alarm Contact Sensor (2Nd Gen) Set Of 2 White New Sealed
eBay
Free shipping
Alarm Contact Sensor - 2 Pack
ring.com
Alarm Contact Sensor - 2 Pack
Get real-time notifications the moment doors or windows open in your home. Now with a more compact design and slim removable magnets for easy installation, even when space is limited. * Requires Alarm Base Station.* Compatible with 1st and 2nd generation Alarm devices and accessories.
Jul 29, 2021
Ring Alarm Review
438 reactions · 47 shares | Ring has an Alarm? We sure do! Ring Alarm Pro delivers advanced protection with easy setup. | Ring | Facebook
0:05
438 reactions · 47 shares | Ring has an Alarm? We sure do! Ring Alarm Pro delivers advanced protection with easy setup. | Ring | Facebook
FacebookRing
1.5M views1 month ago
Ring Alarm Review 2026
Ring Alarm Review 2026
security.org
Apr 3, 2019
94K views · 478 reactions | Ring Alarm is here! Get a smarter way to protect your property from the inside out. With easy set up, you can do it yourself in minutes, without tools or professional installation. | Ring | Facebook
0:17
94K views · 478 reactions | Ring Alarm is here! Get a smarter way to protect your property from the inside out. With easy set up, you can do it yourself in minutes, without tools or professional installation. | Ring | Facebook
FacebookRing
510.1K views1 week ago
Top videos
Ring Alarm Contact Sensor - Ring Alarm Contact Sensor
Ring Alarm Contact Sensor - Ring Alarm Contact Sensor
kjell.com
5 months ago
Ring Alarm Contact Sensor Installation | DIY | Ring Support
Ring Alarm Contact Sensor Installation | DIY | Ring Support
abt.com
Apr 4, 2022
Ring Alarm Magnet Riser | 1 Pack with 3M Adhesive - Easy Mount to Any Doorway, Window, and Entryway | Ring Sensor/Magnet Not Included (1 inch)
0:39
Ring Alarm Magnet Riser | 1 Pack with 3M Adhesive - Easy Mount to Any Doorway, Window, and Entryway | Ring Sensor/Magnet Not Included (1 inch)
amazon
Oct 19, 2022
Ring Alarm Setup
239K views · 1.5K reactions | Ring Alarm is effortless to install and takes only 15 minutes to set up. Our Neighbor, Brian, shows you how easy it is to secure your home without long-term contracts or professional installations. | Ring | Facebook
2:38
239K views · 1.5K reactions | Ring Alarm is effortless to install and takes only 15 minutes to set up. Our Neighbor, Brian, shows you how easy it is to secure your home without long-term contracts or professional installations. | Ring | Facebook
FacebookRing
239.7K views2 weeks ago
Review: Ring Alarm 14-Piece Kit – Smart Home Security Made Easy
4:04
Review: Ring Alarm 14-Piece Kit – Smart Home Security Made Easy
YouTubeClick To Cart
4 views1 month ago
Ring Alarm Setup Easy QR Code Scan!
0:56
Ring Alarm Setup Easy QR Code Scan!
YouTubeAppFind
264 views1 month ago
Ring Alarm Contact Sensor - Ring Alarm Contact Sensor
Ring Alarm Contact Sensor - Ring Alarm Contact Sensor
5 months ago
kjell.com
Ring Alarm Contact Sensor Installation | DIY | Ring Support
Ring Alarm Contact Sensor Installation | DIY | Ring Support
Apr 4, 2022
abt.com
Ring Alarm Magnet Riser | 1 Pack with 3M Adhesive - Easy Mount to Any Doorway, Window, and Entryway | Ring Sensor/Magnet Not Included (1 inch)
0:39
Ring Alarm Magnet Riser | 1 Pack with 3M Adhesive - Easy Mount to …
Oct 19, 2022
amazon
Adhesive Replacement for Ring Alarm Contact Sensor (2nd Gen): 3M VHB Double Sided Sticky Strips (6 Sensors Pads & 6 Magnet Pads) - Mounting Tape Sticker Pre-Cut for Ring Door & Window Security System
Adhesive Replacement for Ring Alarm Contact Sensor (2nd Gen): …
9 months ago
Walmart.com
[Hot Item] Normally Open Automatic Sliding Door Window Contact Sensor for Home Security Alarm
[Hot Item] Normally Open Automatic Sliding Door Window Contact Sen…
Dec 19, 2019
made-in-china.com
Help keep home secure with real-time alerts when doors or windows open (subscription required, sold separately). | Ring
0:09
Help keep home secure with real-time alerts when doors or window…
831.2K viewsAug 1, 2024
FacebookRing
Setup Install Sensative Z-Wave Plus Thin Door Window Contact Sensor Strips for Outdoor Installation
Setup Install Sensative Z-Wave Plus Thin Door Window Contact Senso…
3.9K viewsAug 1, 2021
YouTubeLogan Dunning
2:27
How Does Ring Alarm Work?
17.7K viewsOct 9, 2019
YouTubeRing UK & Ireland
1:46
Installing Ring Alarm Contact Sensor
26.1K viewsOct 9, 2019
YouTubeRing UK & Ireland
0:34
Installing Window Sensor- Alder
10.1K viewsAug 21, 2020
YouTubeAlder Security
0:56
Door/Window Sensors
11.9K viewsDec 10, 2018
YouTubeabode
4:26
Door-Window Sensor Contact Battery Replacement!
9.7K viewsFeb 26, 2021
YouTubeOSI Go Direct
0:51
Installing Door Sensor- Alder
28.6K viewsAug 21, 2020
YouTubeAlder Security
1:50
Bypassing Basic Door Alarms
24.5K viewsSep 23, 2018
YouTubeContingency Labs
1:22
Honeywell 5816 : How to Change the Battery?
22.3K viewsFeb 20, 2015
YouTubeGeoArm Security (GeoAlarm)
5:14
Contact Sensor | "Invisible" Door Installation
219.8K viewsNov 7, 2012
YouTubeAxxessAutomation
11:59
Programming a 5816 Sensor
17.1K viewsAug 13, 2018
YouTubeAlarm Grid
2:34
Ring Alarm Window and Door Sensor Battery Replacement
19.9K viewsNov 20, 2019
YouTubeOne Hour Smart Home
4:50
Flash Mob Mumbai - CST Official Video
8.7M viewsNov 29, 2011
YouTubeShonan Kothari
3:03
House Alarm Shows Windows Open That Are Closed.
32.1K viewsJun 3, 2020
YouTubeFarm Dad
12:32
Double Hung Window Alarm Sensor Magnet Contact SOLUTION? LifeS…
41.5K viewsApr 28, 2019
YouTubeOzark Wild
1:32
Honeywell 5816WMWH - How to Install the Door/Window Contact?
21.6K viewsFeb 9, 2015
YouTubeGeoArm Security (GeoAlarm)
11:21
Alarm Contact Sensor install on garage door
56.6K viewsAug 28, 2020
YouTubepermit ip andy andy
7:04
Ring Alarm Sensor Installation in Double Hung Windows
62.8K viewsApr 16, 2020
YouTubeRetro Tech & Electronics
1:51
Faulty alarm door sensor - HOW TO FIX!
87.9K viewsFeb 11, 2021
YouTubeAMCO's SmartSecurity Guide
2:47
How To Change Battery 2GIG/Vivint Door/Window Contact Sensor DW10
62K viewsSep 6, 2018
YouTubesellgooddeals DIY
2:20
How to Program Wireless WS-4945 Door/Window Contact into DSC Im…
76.6K viewsJun 18, 2014
YouTubeGeoArm Security (GeoAlarm)
1:15
How to remove / replace alarm door contact sensor
17.6K viewsSep 2, 2019
YouTubeAMCO's SmartSecurity Guide
5:57
How to install a magnetic door contact | Reed switch
388.3K viewsJan 25, 2014
YouTubeUltimate Handyman
See more videos
Static thumbnail place holder

Shop Ring Window Contact Sensor

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
26K+
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
26K+
$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
26K+
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
26K+
$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
$79.99
Ring Retrofit Alarm Kit | Convert Wired Security Contact Sensors To Ring Smart System | Compatible With Most Door & Motion Sensors| Pro Install
Amazon.com
Free shipping
$79.99
Ring Retrofit Alarm Kit | Convert Wired Security Contact Sensors To Ring Smart System | Compatible With Most Door & Motion Sensors| Pro Install
Amazon.com
Free shipping
$14.99
$19.99
Ring - Alarm Contact Sensor (2Nd Gen) (1-Pack) - White
Best Buy Marketplace
25% off
$14.99
$19.99
Ring - Alarm Contact Sensor (2Nd Gen) (1-Pack) - White
Best Buy Marketplace
$69.99
Ring Alarm Glass Break Sensor - 2-Pack
Amazon.com
1K+
Free shipping
$69.99
Ring Alarm Glass Break Sensor - 2-Pack
Amazon.com
1K+
$25.00
1-Pack /2 Piece - Ring - Alarm Contact Sensor (2Nd Gen)- White-Sealed
eBay
79
Free shipping
$25.00
1-Pack /2 Piece - Ring - Alarm Contact Sensor (2Nd Gen)- White-Sealed
eBay
79
$14.99
$19.99
Ring Alarm Contact Sensor (2Nd Gen) 1-Pack - White
eBay
Free shipping
25% off
$14.99
$19.99
Ring Alarm Contact Sensor (2Nd Gen) 1-Pack - White
eBay
Free shipping
$12.99
Ring Alarm Contact Sensor (2Nd Gen) 1-Pack - White - Brand & Free
eBay
$12.99
Ring Alarm Contact Sensor (2Nd Gen) 1-Pack - White - Brand & Free
eBay
$99.99
Ring Alarm Door And Window Sensor - 6Pk: Connects With Android & Ios Devices, Size: ,
Target
$99.99
Ring Alarm Door And Window Sensor - 6Pk: Connects With Android & Ios Devices, Size: ,
Target
$119.99
Ring Alarm Home Security System Contact Sensor Add-On Window Door 2nd
eBay
63
Free shipping
$119.99
Ring Alarm Home Security System Contact Sensor Add-On Window Door 2nd
eBay
63
$20.00
Ring Alarm Contact Sensor (2Nd Gen) 1-Pack - White
eBay
Free shipping
$20.00
Ring Alarm Contact Sensor (2Nd Gen) 1-Pack - White
eBay
Free shipping
$17.98
Ring Alarm Contact Sensor (2Nd Gen) 1-Pack - White
eBay
Free shipping
$17.98
Ring Alarm Contact Sensor (2Nd Gen) 1-Pack - White
eBay
Free shipping
$14.49
Ring Alarm Contact Sensor 2nd Gen White 1 Pack
eBay
26K+
Free shipping
$14.49
Ring Alarm Contact Sensor 2nd Gen White 1 Pack
eBay
26K+
$64.79
$79.99
Ring 2-Pack Contact Sensors, White
Seventh Avenue
19% off
$64.79
$79.99
Ring 2-Pack Contact Sensors, White
Seventh Avenue
$15.99
Ring Open Window Magnet For Ring Alarm Contact Sensor - White (2 PACK)
eBay
2
Free shipping
$15.99
Ring Open Window Magnet For Ring Alarm Contact Sensor - White (2 PACK)
eBay
2
$59.99
Ring Alarm Window And Door Contact Sensor 2nd Gen 4 Pack White
eBay
$59.99
Ring Alarm Window And Door Contact Sensor 2nd Gen 4 Pack White
eBay
$64.79
$79.99
Ring 2-Pack Contact Sensors, White
Montgomery Ward
19% off
$64.79
$79.99
Ring 2-Pack Contact Sensors, White
Montgomery Ward