Shop Door Window Contact Sensor

Sponsored
About our ads
$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
$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+
$54.99
$71.79
2 Pack - Honeywell 5800MINI Door/Window Transmitter (REPLACES DISCONTINUED HONEYWELL 5811)
Amazon.com
147
Free shipping
23% off
$54.99
$71.79
2 Pack - Honeywell 5800MINI Door/Window Transmitter (REPLACES DISCONTINUED HONEYWELL 5811)
Amazon.com
147
$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
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 | Base
Amazon.com
27K+
$99,999.99
2GIG Thin Door/Window Contact Sensor - 345 Mhz
Apollo Gate Openers
$99,999.99
2GIG Thin Door/Window Contact Sensor - 345 Mhz
Apollo Gate Openers
$21.89
Security Door Window Alarm, 90DB Wireless Sensor Door Window Burglar Alarm, Door Alarms For Kids Safety, Easy Installation Doorbell Alarms For Office
Amazon.com
49
$21.89
Security Door Window Alarm, 90DB Wireless Sensor Door Window Burglar Alarm, Door Alarms For Kids Safety, Easy Installation Doorbell Alarms For Office
Amazon.com
49
$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
25K+
$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
25K+
$25.99
Magnetic Reed Switch RC-35 NC/NO Recessed Wired Door Window Alarm, Magneti Door Switch, Contact Sensor, For Home Security And Burglar Alarm Magnetic
Amazon.com
23
$25.99
Magnetic Reed Switch RC-35 NC/NO Recessed Wired Door Window Alarm, Magneti Door Switch, Contact Sensor, For Home Security And Burglar Alarm Magnetic
Amazon.com
23
$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
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, Offices
Amazon.com
54
$47.10
$56.00
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
15% off
$47.10
$56.00
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
$99,999.99
2GIG 345S Wireless Door/Window Contact Sensor
Apollo Gate Openers
$99,999.99
2GIG 345S Wireless Door/Window Contact Sensor
Apollo Gate Openers
$41.99
Window Alarm Sensors, Door Alarms For Home Security Loud, 120DB Pool Window And Door Alarms For Kids Safety (10 Pack)
Amazon.com
208
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
208
$19.99
Tokatuker NC NO Magnetic Switch Wired Recessed Door Sensor Hidden Window Contact Reed Switch For Alarm System Access Control Replace
Amazon.com
45
$19.99
Tokatuker NC NO Magnetic Switch Wired Recessed Door Sensor Hidden Window Contact Reed Switch For Alarm System Access Control Replace
Amazon.com
45
$99,999.99
2GIG Encrypted Thin Door/Window Sensor
Apollo Gate Openers
$99,999.99
2GIG Encrypted Thin Door/Window Sensor
Apollo Gate Openers
$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+
$11.99
Door Window Alarm, 90DB Door Alarms For Kids Safety, Wireless Sensor Door Window Burglar Alarm-Window Pool Alarms For Home, 6 Pack
Amazon.com
$11.99
Door Window Alarm, 90DB Door Alarms For Kids Safety, Wireless Sensor Door Window Burglar Alarm-Window Pool Alarms For Home, 6 Pack
Amazon.com
$19.79
Uxcell N.C. Recessed Wired Security Window Door Contact Sensor Alarm Magnetic Reed Switch White RC-33 10Pcs
Amazon.com
129
$19.79
Uxcell N.C. Recessed Wired Security Window Door Contact Sensor Alarm Magnetic Reed Switch White RC-33 10Pcs
Amazon.com
129
$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
$34.92
2GIG Recessed Door Window Contact Sensor 345 Mhz GDWR100-345
DkHardware.com
$34.92
2GIG Recessed Door Window Contact Sensor 345 Mhz GDWR100-345
DkHardware.com
$79.99
Ecobee Smart Sensor For Doors & Windows 2 Pack - Wifi Contact Sensor For Home Security, Energy Savings - Compatible With Smart Thermostats -
Amazon.com
1K+
Free shipping
$79.99
Ecobee Smart Sensor For Doors & Windows 2 Pack - Wifi Contact Sensor For Home Security, Energy Savings - Compatible With Smart Thermostats -
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
515
$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
515
$99,999.99
2GIG 345S Recessed Door Window Sensor
Apollo Gate Openers
$99,999.99
2GIG 345S Recessed Door Window Sensor
Apollo Gate Openers
$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
$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
$8.30
1 Pcs NO White Door Contacts (NORMALLY OPEN) Surface Mount Security Alarm Door Window Sensors
Intellid Products
$8.30
1 Pcs NO White Door Contacts (NORMALLY OPEN) Surface Mount Security Alarm Door Window Sensors
Intellid Products
$33.99
Window And Door Alarm When Opened (5 Pack) For Kids Safety/Home Security, Sliding Front Door Opening Sensor Alarms For Dementia, 120Db Burglar Alert,
Amazon.com
191
$33.99
Window And Door Alarm When Opened (5 Pack) For Kids Safety/Home Security, Sliding Front Door Opening Sensor Alarms For Dementia, 120Db Burglar Alert,
Amazon.com
191
$22.99
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+
$22.99
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+
$199.99
$449.99
Door & Window Sensor Package | Free Installation| Vivint Entryway Sensor Bundle
Vivint Smart Home
55% off
$199.99
$449.99
Door & Window Sensor Package | Free Installation| Vivint Entryway Sensor Bundle
Vivint Smart Home
$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
$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+
$15.75
Wired Door Contacts Surface Mount NC Security Alarm Door Window Sensors - White, 3 Pcs | Authorizid
Intellid Products
$15.75
Wired Door Contacts Surface Mount NC Security Alarm Door Window Sensors - White, 3 Pcs | Authorizid
Intellid Products
$6.50
1 Mini Brown Recessed Door Contacts NC Security Alarm Door Window Sensors With Magnetic Reed Switch. These ¾" Door Contact Position Switches (DCS)
Intellid Products
$6.50
1 Mini Brown Recessed Door Contacts NC Security Alarm Door Window Sensors With Magnetic Reed Switch. These ¾" Door Contact Position Switches (DCS)
Intellid Products
$9.99
IKEA - PARASOLL Door/Window Sensor, Smart/White
IKEA
5
$9.99
IKEA - PARASOLL Door/Window Sensor, Smart/White
IKEA
5
$7.99
IKEA - MYGGBETT Door/Window Sensor, Smart, Width: 1 "
IKEA
12
$7.99
IKEA - MYGGBETT Door/Window Sensor, Smart, Width: 1 "
IKEA
12
$84.95
Door & Window (Matter) - Smart Contact Sensor, Works With Apple Home/Smartthings/Alexa/Google Home 3-Pack (White)
Home Depot
Free shipping
$84.95
Door & Window (Matter) - Smart Contact Sensor, Works With Apple Home/Smartthings/Alexa/Google Home 3-Pack (White)
Home Depot
Free shipping
$24.33
Honeywell Ademco 5816WMWH White Door / Window Transmitter W/ Magnet
JMAC
1
$24.33
Honeywell Ademco 5816WMWH White Door / Window Transmitter W/ Magnet
JMAC
1
$33.95
Eve Door & Window Wireless Contact Sensor (Matter)
B&H Photo-Video-Pro A
Free shipping
$33.95
Eve Door & Window Wireless Contact Sensor (Matter)
B&H Photo-Video-Pro A
Free shipping
See more
See less
    Some results have been hidden because they may be inaccessible to you.Show inaccessible results
    See more images

    Shop Door Window Contact Sensor

    Sponsored
    About our ads
    $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
    $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+
    $54.99
    $71.79
    2 Pack - Honeywell 5800MINI Door/Window Transmitter (REPLACES DISCONTINUED HONEYWELL 5811)
    Amazon.com
    147
    Free shipping
    23% off
    $54.99
    $71.79
    2 Pack - Honeywell 5800MINI Door/Window Transmitter (REPLACES DISCONTINUED HONEYWELL 5811)
    Amazon.com
    147
    $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
    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 | Base
    Amazon.com
    27K+
    $99,999.99
    2GIG Thin Door/Window Contact Sensor - 345 Mhz
    Apollo Gate Openers
    $99,999.99
    2GIG Thin Door/Window Contact Sensor - 345 Mhz
    Apollo Gate Openers
    $21.89
    Security Door Window Alarm, 90DB Wireless Sensor Door Window Burglar Alarm, Door Alarms For Kids Safety, Easy Installation Doorbell Alarms For Office
    Amazon.com
    49
    $21.89
    Security Door Window Alarm, 90DB Wireless Sensor Door Window Burglar Alarm, Door Alarms For Kids Safety, Easy Installation Doorbell Alarms For Office
    Amazon.com
    49
    $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
    25K+
    $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
    25K+
    $25.99
    Magnetic Reed Switch RC-35 NC/NO Recessed Wired Door Window Alarm, Magneti Door Switch, Contact Sensor, For Home Security And Burglar Alarm Magnetic
    Amazon.com
    23
    $25.99
    Magnetic Reed Switch RC-35 NC/NO Recessed Wired Door Window Alarm, Magneti Door Switch, Contact Sensor, For Home Security And Burglar Alarm Magnetic
    Amazon.com
    23
    $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
    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, Offices
    Amazon.com
    54
    $47.10
    $56.00
    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
    15% off
    $47.10
    $56.00
    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
    $99,999.99
    2GIG 345S Wireless Door/Window Contact Sensor
    Apollo Gate Openers
    $99,999.99
    2GIG 345S Wireless Door/Window Contact Sensor
    Apollo Gate Openers
    $41.99
    Window Alarm Sensors, Door Alarms For Home Security Loud, 120DB Pool Window And Door Alarms For Kids Safety (10 Pack)
    Amazon.com
    208
    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
    208
    $19.99
    Tokatuker NC NO Magnetic Switch Wired Recessed Door Sensor Hidden Window Contact Reed Switch For Alarm System Access Control Replace
    Amazon.com
    45
    $19.99
    Tokatuker NC NO Magnetic Switch Wired Recessed Door Sensor Hidden Window Contact Reed Switch For Alarm System Access Control Replace
    Amazon.com
    45
    $99,999.99
    2GIG Encrypted Thin Door/Window Sensor
    Apollo Gate Openers
    $99,999.99
    2GIG Encrypted Thin Door/Window Sensor
    Apollo Gate Openers
    $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+
    $11.99
    Door Window Alarm, 90DB Door Alarms For Kids Safety, Wireless Sensor Door Window Burglar Alarm-Window Pool Alarms For Home, 6 Pack
    Amazon.com
    $11.99
    Door Window Alarm, 90DB Door Alarms For Kids Safety, Wireless Sensor Door Window Burglar Alarm-Window Pool Alarms For Home, 6 Pack
    Amazon.com
    $19.79
    Uxcell N.C. Recessed Wired Security Window Door Contact Sensor Alarm Magnetic Reed Switch White RC-33 10Pcs
    Amazon.com
    129
    $19.79
    Uxcell N.C. Recessed Wired Security Window Door Contact Sensor Alarm Magnetic Reed Switch White RC-33 10Pcs
    Amazon.com
    129
    $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
    $34.92
    2GIG Recessed Door Window Contact Sensor 345 Mhz GDWR100-345
    DkHardware.com
    $34.92
    2GIG Recessed Door Window Contact Sensor 345 Mhz GDWR100-345
    DkHardware.com