Shop Closed Window Sensor

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$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
28K+
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
28K+
$17.99
Sopepoyie RC-36 NC/NO Recessed Wired Security Window Door Contact Sensor Brown Alarm Magnetic Reed Switch 5 Sets
Amazon.com
$17.99
Sopepoyie RC-36 NC/NO Recessed Wired Security Window Door Contact Sensor Brown Alarm Magnetic Reed Switch 5 Sets
Amazon.com
$54.99
Simplisafe Entry Sensor (Pack Of 4) - Window And Door Protection - Compatible With The Simplisafe Home Security System - Latest Gen
Amazon.com
2K+
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
2K+
$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
28K+
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
28K+
$19.99
Tokatuker NC NO Magnetic Switch Wired Recessed Door Sensor Hidden Window Contact Reed Switch For Alarm System Access Control Replace
Amazon.com
29
$19.99
Tokatuker NC NO Magnetic Switch Wired Recessed Door Sensor Hidden Window Contact Reed Switch For Alarm System Access Control Replace
Amazon.com
29
$18.89
Door Window Alarm, 90Db Door Alarms Sensor For Kids Safety, Home Security, Door Window Burglar Alarm, Window Pool Alarms For Home, Apartments, Offices
Amazon.com
33
$18.89
Door Window Alarm, 90Db Door Alarms Sensor For Kids Safety, Home Security, Door Window Burglar Alarm, Window Pool Alarms For Home, Apartments, Offices
Amazon.com
33
$41.99
Window Alarm Sensors, Door Alarms For Home Security Loud, 120DB Pool Window And Door Alarms For Kids Safety (10 Pack)
Amazon.com
65
Free shipping
$41.99
Window Alarm Sensors, Door Alarms For Home Security Loud, 120DB Pool Window And Door Alarms For Kids Safety (10 Pack)
Amazon.com
65
$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
1K+
$29.99
$32.99
Door Alarms For Kids Safety, 6 Pack 120Db Pool Alarm Sensor For Doors And Windows, Window Alarms For Home Security, Burglar Intruder Entry Alert For
Amazon.com
585
$29.99
$32.99
Door Alarms For Kids Safety, 6 Pack 120Db Pool Alarm Sensor For Doors And Windows, Window Alarms For Home Security, Burglar Intruder Entry Alert For
Amazon.com
585
$194.32
$323.92
Two-Story Home Security System | Window And Door Detection | Official Simplisafe
SimpliSafe, Inc.
Free shipping
40% off
$194.32
$323.92
Two-Story Home Security System | Window And Door Detection | Official Simplisafe
SimpliSafe, Inc.
Free shipping
$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
28K+
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
28K+
$22.92
Door Alarms When Opened For Kids Safety, 4 Pack 120Db Loud Window Sensors For Home Security, Pool Alarms, Door Alarm Sensor For House Hotel Sheds
Amazon.com
1K+
$22.92
Door Alarms When Opened For Kids Safety, 4 Pack 120Db Loud Window Sensors For Home Security, Pool Alarms, Door Alarm Sensor For House Hotel Sheds
Amazon.com
1K+
$29.07
2GIG Wireless Door/Window Contact Sensor 345 Mhz GDW100-345
DkHardware.com
$29.07
2GIG Wireless Door/Window Contact Sensor 345 Mhz GDW100-345
DkHardware.com
$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+
$2,180.90
PCE Instruments FM205-WI-SE-05-100, Closing Force Sensor For Automatic Window Regulators 5 N/Mm
Selectum
$2,180.90
PCE Instruments FM205-WI-SE-05-100, Closing Force Sensor For Automatic Window Regulators 5 N/Mm
Selectum
$62.76
King Electric KRF-WINDOW-SENSOR Radio Frequency Battery-Powered Window And Door Sensor For KRFTP Thermostats | Supplyhouse.Com
SupplyHouse.com
$62.76
King Electric KRF-WINDOW-SENSOR Radio Frequency Battery-Powered Window And Door Sensor For KRFTP Thermostats | Supplyhouse.Com
SupplyHouse.com
$34.97
$69.94
Wireless Magnetic Door & Window Sensor Alarm Open Closed Detection System For Home Security | Friendly Fresh Finds
Inspire Uplift
Free shipping
50% off
$34.97
$69.94
Wireless Magnetic Door & Window Sensor Alarm Open Closed Detection System For Home Security | Friendly Fresh Finds
Inspire Uplift
Free shipping
$101.97
$203.94
Magnetic Wireless Outdoor Door Window Alarm Sensor, Waterproof Antitheft Monitor, Remote Control Home Security - 1Receiver 1Remote | Multicon Wholesal
Inspire Uplift
Free shipping
50% off
$101.97
$203.94
Magnetic Wireless Outdoor Door Window Alarm Sensor, Waterproof Antitheft Monitor, Remote Control Home Security - 1Receiver 1Remote | Multicon Wholesal
Inspire Uplift
Free shipping
$7.99
IKEA - MYGGBETT Door/Window Sensor, Smart, Width: 1 "
IKEA
141
$7.99
IKEA - MYGGBETT Door/Window Sensor, Smart, Width: 1 "
IKEA
141
$75.64
Andersen Connect Open/Closed Sensor In Sandtone
WindowParts.com
$75.64
Andersen Connect Open/Closed Sensor In Sandtone
WindowParts.com
$19.55
MC-38 Wired Door Window Sensor Magnetic Switch For PTSN And GSM Alarm System, 1PCS
vipih.com
$19.55
MC-38 Wired Door Window Sensor Magnetic Switch For PTSN And GSM Alarm System, 1PCS
vipih.com
$6.72
PB-67R Wireless Door Window Sensor & Emergency Button
bigupgadgets.com
$6.72
PB-67R Wireless Door Window Sensor & Emergency Button
bigupgadgets.com
$48.79
$97.58
Tuya Wifi Door & Window Sensor Open Closed Security Detector With 90Db Siren - 1Pc | Inspire Picks
Inspire Uplift
Free shipping
50% off
$48.79
$97.58
Tuya Wifi Door & Window Sensor Open Closed Security Detector With 90Db Siren - 1Pc | Inspire Picks
Inspire Uplift
Free shipping
$14.99
IKEA - PARASOLL Door/Window Sensor, Smart/White
IKEA
5
$14.99
IKEA - PARASOLL Door/Window Sensor, Smart/White
IKEA
5
$8.34
Uxcell Door Window NO/NC Recessed Security Contact Sensor Alarm Magnetic Reed Switch | Harfington
harfington
1
$8.34
Uxcell Door Window NO/NC Recessed Security Contact Sensor Alarm Magnetic Reed Switch | Harfington
harfington
1
$59.92
GE Security 601353195 SX-V Door-Window Sensor White
AllDataResource.com
$59.92
GE Security 601353195 SX-V Door-Window Sensor White
AllDataResource.com
$38.05
Nascom MICRA D | Wireless Window Sensor- Fully Concealed, 500' Range, 3V Coin Cell, Black For Wood/Vinyl Windows
AllDataResource.com
$38.05
Nascom MICRA D | Wireless Window Sensor- Fully Concealed, 500' Range, 3V Coin Cell, Black For Wood/Vinyl Windows
AllDataResource.com
$10.99
$15.99
SONOFF SNZB-04P Zigbe Door Window Sensor Tamper Alert Smart Scene Remote Control Smart Home ZHA Work With Alexa Google H
Banggood
31% off
$10.99
$15.99
SONOFF SNZB-04P Zigbe Door Window Sensor Tamper Alert Smart Scene Remote Control Smart Home ZHA Work With Alexa Google H
Banggood
$19.99
Heath Zenith Door And Window Sensor ( 1 -Pack ) In In White | 91009307
Lowe's
$19.99
Heath Zenith Door And Window Sensor ( 1 -Pack ) In In White | 91009307
Lowe's
$7.62
Uxcell RC-33 NO Recessed Wired Security Window Door Contact Sensor Alarm Magnetic Reed Switch White | Harfington
harfington
$7.62
Uxcell RC-33 NO Recessed Wired Security Window Door Contact Sensor Alarm Magnetic Reed Switch White | Harfington
harfington
$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
$13.94
Uxcell 4Pcs RC-33 NO Recessed Wired Security Window Door Contact Sensor Alarm Magnetic Reed Switch White | Harfington
harfington
44
$13.94
Uxcell 4Pcs RC-33 NO Recessed Wired Security Window Door Contact Sensor Alarm Magnetic Reed Switch White | Harfington
harfington
44
$8.95
1 Pc White N.C. Recessed Door Contacts (NORMALLY CLOSED) Alarm Door Window Sensors With Magnetic Reed Switch.
Intellid Products
$8.95
1 Pc White N.C. Recessed Door Contacts (NORMALLY CLOSED) Alarm Door Window Sensors With Magnetic Reed Switch.
Intellid Products
$27.99
Qingping Door & Window Sensor 2Pcs Set - Bluetooth 5.0 Home Security Alarm, Met Mihome App Compatible
Digitalzakka
$27.99
Qingping Door & Window Sensor 2Pcs Set - Bluetooth 5.0 Home Security Alarm, Met Mihome App Compatible
Digitalzakka
$10.10
Ultra-Slim Door/Window Sensor Alarm For Home Security
bigupgadgets.com
$10.10
Ultra-Slim Door/Window Sensor Alarm For Home Security
bigupgadgets.com
$75.64
Andersen Connect Open/Closed Sensor In Dark Bronze
WindowParts.com
$75.64
Andersen Connect Open/Closed Sensor In Dark Bronze
WindowParts.com
Door Opening / Closing Detection | Applications | Tri-axis Magnetic Sensors | Products | Asahi Kasei Microdevices (AKM)
Door Opening / Closing Detection | Applications | Tri-axis Magnetic Sensors | Products | Asahi Kasei Microdevices (AKM)
May 26, 2021
akm.com
Eve Door & Window (Matter) 3 Pack – Smart Contact Sensor for Doors & Windows, Open/Closed State, Automatic Control of Accessories, Matter Over Thread, Apple Home, Alexa, Google Home, SmartThings
1:16
Eve Door & Window (Matter) 3 Pack – Smart Contact Sensor for Doors & Windows, Open/Closed State, Automatic Control of Accessories, Matter Over Thread, Apple Home, Alexa, Google Home, SmartThings
Apr 27, 2023
amazon
Wireless Open/Closed Sensor Installation Instructions - Casement Windows | Andersen Windows
2:10
Wireless Open/Closed Sensor Installation Instructions - Casement Windows | Andersen Windows
14.6K viewsJul 7, 2016
YouTubeAndersen Windows & Doors
eufy Security, Entry Sensor, Detects Opened and Closed Doors or Windows, Sends Alerts
1:55
eufy Security, Entry Sensor, Detects Opened and Closed Doors or Windows, Sends Alerts
13.2K viewsJul 13, 2022
YouTubeHappy Life
Wireless Open/Closed Sensor Installation Instructions - Gliding Windows | Andersen Windows
2:02
Wireless Open/Closed Sensor Installation Instructions - Gliding Windows | Andersen Windows
3.5K viewsJul 7, 2016
YouTubeAndersen Windows & Doors
Wireless Open/Closed Sensor Installation Instructions - Double-Hung Windows | Andersen Windows
2:08
Wireless Open/Closed Sensor Installation Instructions - Double-Hung Windows | Andersen Windows
5.9K viewsJul 7, 2016
YouTubeAndersen Windows & Doors
Koogeek Door & Window Sensor DW1 - HomeKit Sweet Home
14:30
Koogeek Door & Window Sensor DW1 - HomeKit Sweet Home
20.3K viewsApr 3, 2018
YouTubeRey G
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Wireless Open/Closed Sensor Installation Instructions - Gliding Patio Doors | Andersen Windows
10.7K viewsJul 7, 2016
YouTubeAndersen Windows & Doors
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How to Remove the Door(Window) Sensor - CIK Home Security
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Shop Closed Window 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
28K+
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
28K+
$17.99
Sopepoyie RC-36 NC/NO Recessed Wired Security Window Door Contact Sensor Brown Alarm Magnetic Reed Switch 5 Sets
Amazon.com
$17.99
Sopepoyie RC-36 NC/NO Recessed Wired Security Window Door Contact Sensor Brown Alarm Magnetic Reed Switch 5 Sets
Amazon.com
$54.99
Simplisafe Entry Sensor (Pack Of 4) - Window And Door Protection - Compatible With The Simplisafe Home Security System - Latest Gen
Amazon.com
2K+
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
2K+
$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
28K+
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
28K+
$19.99
Tokatuker NC NO Magnetic Switch Wired Recessed Door Sensor Hidden Window Contact Reed Switch For Alarm System Access Control Replace
Amazon.com
29
$19.99
Tokatuker NC NO Magnetic Switch Wired Recessed Door Sensor Hidden Window Contact Reed Switch For Alarm System Access Control Replace
Amazon.com
29
$18.89
Door Window Alarm, 90Db Door Alarms Sensor For Kids Safety, Home Security, Door Window Burglar Alarm, Window Pool Alarms For Home, Apartments, Offices
Amazon.com
33
$18.89
Door Window Alarm, 90Db Door Alarms Sensor For Kids Safety, Home Security, Door Window Burglar Alarm, Window Pool Alarms For Home, Apartments, Offices
Amazon.com
33
$41.99
Window Alarm Sensors, Door Alarms For Home Security Loud, 120DB Pool Window And Door Alarms For Kids Safety (10 Pack)
Amazon.com
65
Free shipping
$41.99
Window Alarm Sensors, Door Alarms For Home Security Loud, 120DB Pool Window And Door Alarms For Kids Safety (10 Pack)
Amazon.com
65
$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
1K+
$29.99
$32.99
Door Alarms For Kids Safety, 6 Pack 120Db Pool Alarm Sensor For Doors And Windows, Window Alarms For Home Security, Burglar Intruder Entry Alert For
Amazon.com
585
$29.99
$32.99
Door Alarms For Kids Safety, 6 Pack 120Db Pool Alarm Sensor For Doors And Windows, Window Alarms For Home Security, Burglar Intruder Entry Alert For
Amazon.com
585
$194.32
$323.92
Two-Story Home Security System | Window And Door Detection | Official Simplisafe
SimpliSafe, Inc.
Free shipping
40% off
$194.32
$323.92
Two-Story Home Security System | Window And Door Detection | Official Simplisafe
SimpliSafe, Inc.
Free shipping
$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
28K+
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
28K+
$22.92
Door Alarms When Opened For Kids Safety, 4 Pack 120Db Loud Window Sensors For Home Security, Pool Alarms, Door Alarm Sensor For House Hotel Sheds
Amazon.com
1K+
$22.92
Door Alarms When Opened For Kids Safety, 4 Pack 120Db Loud Window Sensors For Home Security, Pool Alarms, Door Alarm Sensor For House Hotel Sheds
Amazon.com
1K+
$29.07
2GIG Wireless Door/Window Contact Sensor 345 Mhz GDW100-345
DkHardware.com
$29.07
2GIG Wireless Door/Window Contact Sensor 345 Mhz GDW100-345
DkHardware.com
$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+
$2,180.90
PCE Instruments FM205-WI-SE-05-100, Closing Force Sensor For Automatic Window Regulators 5 N/Mm
Selectum
$2,180.90
PCE Instruments FM205-WI-SE-05-100, Closing Force Sensor For Automatic Window Regulators 5 N/Mm
Selectum
$62.76
King Electric KRF-WINDOW-SENSOR Radio Frequency Battery-Powered Window And Door Sensor For KRFTP Thermostats | Supplyhouse.Com
SupplyHouse.com
$62.76
King Electric KRF-WINDOW-SENSOR Radio Frequency Battery-Powered Window And Door Sensor For KRFTP Thermostats | Supplyhouse.Com
SupplyHouse.com
$34.97
$69.94
Wireless Magnetic Door & Window Sensor Alarm Open Closed Detection System For Home Security | Friendly Fresh Finds
Inspire Uplift
Free shipping
50% off
$34.97
$69.94
Wireless Magnetic Door & Window Sensor Alarm Open Closed Detection System For Home Security | Friendly Fresh Finds
Inspire Uplift
Free shipping
$101.97
$203.94
Magnetic Wireless Outdoor Door Window Alarm Sensor, Waterproof Antitheft Monitor, Remote Control Home Security - 1Receiver 1Remote | Multicon Wholesal
Inspire Uplift
Free shipping
50% off
$101.97
$203.94
Magnetic Wireless Outdoor Door Window Alarm Sensor, Waterproof Antitheft Monitor, Remote Control Home Security - 1Receiver 1Remote | Multicon Wholesal
Inspire Uplift
Free shipping