Shop Wi-Fi Door and Window Sensor

Sponsored
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$58.49
$71.79
2 Pack - Honeywell 5800MINI Door/Window Transmitter (REPLACES DISCONTINUED HONEYWELL 5811)
Amazon.com
129
Free shipping
18% off
$58.49
$71.79
2 Pack - Honeywell 5800MINI Door/Window Transmitter (REPLACES DISCONTINUED HONEYWELL 5811)
Amazon.com
129
$19.83
$21.98
Wifi Door Sensor: Smart Door Open/Closed Detectors, Wireless Window Sensor With App Notification Alert, Contact Sensor For Home Security, Compatible
Amazon.com
24
$19.83
$21.98
Wifi Door Sensor: Smart Door Open/Closed Detectors, Wireless Window Sensor With App Notification Alert, Contact Sensor For Home Security, Compatible
Amazon.com
24
$14.24
Simplisafe Entry Sensor - Window And Door Protection - Compatible With Gen 3 Home Security System
Amazon.com
3K+
$14.24
Simplisafe Entry Sensor - Window And Door Protection - Compatible With Gen 3 Home Security System
Amazon.com
3K+
$26.99
MOBI Smart Wi-Fi Door & Window Sensor Real-Time Alerts, App Control, Easy Install - 2Pk
Target
Free shipping
$26.99
MOBI Smart Wi-Fi Door & Window Sensor Real-Time Alerts, App Control, Easy Install - 2Pk
Target
Free shipping
$15.00
Xfinity Door Window Sensor Home Security XHD2-LD (Latest Generation 2023)
Amazon.com
33
$15.00
Xfinity Door Window Sensor Home Security XHD2-LD (Latest Generation 2023)
Amazon.com
33
$79.99
Ecobee Smart Sensor For Doors & Windows 2 Pack - Wifi Contact Sensor For Home Security, Energy Savings - Compatible With Smart Thermostats -
Amazon.com
748
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
748
$14.99
Wifi Door Sensor, Tuya Smart Door Window Sensor, Smart Window Sensor Real-Time Alarm Compatible With Alexa Google Assistant,Home Security Door Open
Amazon.com
709
$14.99
Wifi Door Sensor, Tuya Smart Door Window Sensor, Smart Window Sensor Real-Time Alarm Compatible With Alexa Google Assistant,Home Security Door Open
Amazon.com
709
$20.99
$23.98
Wifi Door Sensor Window Detector: Smart Magnetic Door Open Detector With App Alerts, Wireless Home Security Contact Sensor, Tuya App Remote Control,
Amazon.com
6
12% off
$20.99
$23.98
Wifi Door Sensor Window Detector: Smart Magnetic Door Open Detector With App Alerts, Wireless Home Security Contact Sensor, Tuya App Remote Control,
Amazon.com
6
$39.99
Wifi Door Sensor, Tuya Smart Door Window Sensor,Wireless Window Sensor Real-Time Alarm Compatible With Alexa Google Assistant,Home Security Door Open
Amazon.com
709
Free shipping
$39.99
Wifi Door Sensor, Tuya Smart Door Window Sensor,Wireless Window Sensor Real-Time Alarm Compatible With Alexa Google Assistant,Home Security Door Open
Amazon.com
709
$36.99
Wifi Door Sensor: Wireless Window Sensor With App Alerts, Tuya Smart Contact Sensor For Home Security And Smart Home Automation, No Hub Required,
Amazon.com
157
Free shipping
$36.99
Wifi Door Sensor: Wireless Window Sensor With App Alerts, Tuya Smart Contact Sensor For Home Security And Smart Home Automation, No Hub Required,
Amazon.com
157
$10.99
$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
25K+
45% off
$10.99
$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
25K+
$12.89
1-Pack Tuya Smart Wifi Door Sensor,2.4Ghz Wifi Smart Window And Door Sensor Alarm, Wireless Magnetic Door Opening Detector
Amazon.com
$12.89
1-Pack Tuya Smart Wifi Door Sensor,2.4Ghz Wifi Smart Window And Door Sensor Alarm, Wireless Magnetic Door Opening Detector
Amazon.com
$19.98
Heiman Window Door Alarms When Opened, Wifi Door Chime Sensor, Contact Sensor For Home Security, Smart Wireless Magnetic Door Open Detector, APP
Amazon.com
151
$19.98
Heiman Window Door Alarms When Opened, Wifi Door Chime Sensor, Contact Sensor For Home Security, Smart Wireless Magnetic Door Open Detector, APP
Amazon.com
151
$15.99
Simplisafe - 1Pack Entry Sensor - White
Best Buy
80
$15.99
Simplisafe - 1Pack Entry Sensor - White
Best Buy
80
$17.99
Wifi Door Sensor, Smart Window Door Sensor, Alexa Door Window Contact Sensor For Home Security, Door Open Detector With Alert Notification Compatible
Amazon.com
59
$17.99
Wifi Door Sensor, Smart Window Door Sensor, Alexa Door Window Contact Sensor For Home Security, Door Open Detector With Alert Notification Compatible
Amazon.com
59
$35.99
$39.98
Wifi Door Window Sensor: Smart Contact Sensor With App Alerts, Door Open Detector Compatible With Alexa Google Assistant, Entry Detector Sensor For
Amazon.com
121
Free shipping
$35.99
$39.98
Wifi Door Window Sensor: Smart Contact Sensor With App Alerts, Door Open Detector Compatible With Alexa Google Assistant, Entry Detector Sensor For
Amazon.com
121
$12.99
$19.99
Aqara - T1 Door And Window Sensor- Requires Hub Product, Supports Apple Homekit, Alexa, Google, Smartthings - White
Best Buy
35% off
$12.99
$19.99
Aqara - T1 Door And Window Sensor- Requires Hub Product, Supports Apple Homekit, Alexa, Google, Smartthings - White
Best Buy
$35.14
$43.98
4 Pack Wifi Door Window Sensor Detector: Wireless Security Alarm Door Sensor, Tuya Door Open Contact Sensor, Compatible With Alexa,Google Home,Siri,
Amazon.com
191
Free shipping
20% off
$35.14
$43.98
4 Pack Wifi Door Window Sensor Detector: Wireless Security Alarm Door Sensor, Tuya Door Open Contact Sensor, Compatible With Alexa,Google Home,Siri,
Amazon.com
191
$54.99
Simplisafe - 4Pack Entry Sensor - White
Best Buy
3K+
Free shipping
$54.99
Simplisafe - 4Pack Entry Sensor - White
Best Buy
3K+
$15.76
$22.95
Feit Electric Smart Wifi Door And Window Sensor, Battery Powered, 2.4Ghz No Hub Required, Remote Home Monitoring, Not Compatible With Other Security
Amazon.com
31% off
$15.76
$22.95
Feit Electric Smart Wifi Door And Window Sensor, Battery Powered, 2.4Ghz No Hub Required, Remote Home Monitoring, Not Compatible With Other Security
Amazon.com
$9.99
JCHENG Door Window Sensor For TUYA Zigbee Gateway Exclusively - Remote Monitoring, Extended Battery Life, App Control, Smart Home Automation
Amazon.com
$9.99
JCHENG Door Window Sensor For TUYA Zigbee Gateway Exclusively - Remote Monitoring, Extended Battery Life, App Control, Smart Home Automation
Amazon.com
$49.99
Switchbot Door Alarm Contact Sensor- Smart Home Security Wireless Window Alarm And Door Sensor, Add Switchbot Hub To Make It Compatible With Alexa (3)
Amazon.com
Free shipping
$49.99
Switchbot Door Alarm Contact Sensor- Smart Home Security Wireless Window Alarm And Door Sensor, Add Switchbot Hub To Make It Compatible With Alexa (3)
Amazon.com
Free shipping
$23.99
$29.99
Aqara Door And Window Sensor P2, Matter Over Thread, Requires Thread Border Router, Contact Sensor With Remote Alarm And Local Automation, Supports
Amazon.com
438
20% off
$23.99
$29.99
Aqara Door And Window Sensor P2, Matter Over Thread, Requires Thread Border Router, Contact Sensor With Remote Alarm And Local Automation, Supports
Amazon.com
438
$21.24
$24.99
Geeni Smart Door And Window Sensor Alarm 2 Pack Wifi Battery Powered Security Sensor With Siren, Instant Alerts, Alexa & Google Assistant Compatible
Amazon.com
46
15% off
$21.24
$24.99
Geeni Smart Door And Window Sensor Alarm 2 Pack Wifi Battery Powered Security Sensor With Siren, Instant Alerts, Alexa & Google Assistant Compatible
Amazon.com
46
$11.99
Security Door Window Alarm, 90DB Wireless Sensor Door Window Burglar Alarm, Door Alarms For Kids Safety, Easy Installation Doorbell Alarms For Office
Amazon.com
227
$11.99
Security Door Window Alarm, 90DB Wireless Sensor Door Window Burglar Alarm, Door Alarms For Kids Safety, Easy Installation Doorbell Alarms For Office
Amazon.com
227
$26.99
MOBI Smart Door And Window Sensor Alarm [2 Pack] - Sensor Control Devices, Open Entry, Alarm Sensors For Windows And Doors
Amazon.com
1
$26.99
MOBI Smart Door And Window Sensor Alarm [2 Pack] - Sensor Control Devices, Open Entry, Alarm Sensors For Windows And Doors
Amazon.com
1
$35.99
$38.99
4 Pack Wifi Wireless Door Window Sensor,TUYA Smart Alarm With Free Notification APP Control Home Security Alarm System, Compatible With Alexa, Google
Amazon.com
Free shipping
$35.99
$38.99
4 Pack Wifi Wireless Door Window Sensor,TUYA Smart Alarm With Free Notification APP Control Home Security Alarm System, Compatible With Alexa, Google
Amazon.com
Free shipping
$48.61
Qolsys DW Mini-S (2-Pack) Wireless Contact Sensor For Windows & Doors - S-Line Encrypted 319.5 Mhz - Window Alarm Sensor For Smart Home - Create
Amazon.com
34
Free shipping
$48.61
Qolsys DW Mini-S (2-Pack) Wireless Contact Sensor For Windows & Doors - S-Line Encrypted 319.5 Mhz - Window Alarm Sensor For Smart Home - Create
Amazon.com
34
$7.99
Security Door Window Alarm, 90DB Wireless Sensor Door Window Burglar Alarm, Door Alarms For Kids Safety, Easy Installation Doorbell Alarms For Office
Amazon.com
231
$7.99
Security Door Window Alarm, 90DB Wireless Sensor Door Window Burglar Alarm, Door Alarms For Kids Safety, Easy Installation Doorbell Alarms For Office
Amazon.com
231
$18.99
MOES Zigbee Door And Window Sensor Monitor, Require MOES Zigbee Hub, Smart Contact Sensor, Security Guard For Home Automation, Support Tuya Smart Life
Amazon.com
4
$18.99
MOES Zigbee Door And Window Sensor Monitor, Require MOES Zigbee Hub, Smart Contact Sensor, Security Guard For Home Automation, Support Tuya Smart Life
Amazon.com
4
$39.99
EVERSECU Tuya Smart Wifi Door Sensor Open/Close Detector App Notification Battery Operated, Compatible With Amazon Alexa, Google Assistant, No Need
Amazon.com
53
Free shipping
$39.99
EVERSECU Tuya Smart Wifi Door Sensor Open/Close Detector App Notification Battery Operated, Compatible With Amazon Alexa, Google Assistant, No Need
Amazon.com
53
$19.99
$21.99
Evernary Door Window Pool Alarm With Remote Control,1Pcs Wifi Smart Wireless Magnetic Sensor Anti-Theft Door Alarms For Kids Safety Home Store Garage
Amazon.com
318
$19.99
$21.99
Evernary Door Window Pool Alarm With Remote Control,1Pcs Wifi Smart Wireless Magnetic Sensor Anti-Theft Door Alarms For Kids Safety Home Store Garage
Amazon.com
318
$12.99
Goveelife Door Window Sensor, Group Control Unlimited Devices, Wireless Mini Contact Sensor For Smart Home Automation, Battery Powered, Supports Most
Amazon.com
132
$12.99
Goveelife Door Window Sensor, Group Control Unlimited Devices, Wireless Mini Contact Sensor For Smart Home Automation, Battery Powered, Supports Most
Amazon.com
132
$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
231
$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
231
$19.50
FEIT Electric Battery-Powered Smart Wi-Fi Door Window Sensor MOT/DOOR/WIFI/BAT
Conservation Mart
$19.50
FEIT Electric Battery-Powered Smart Wi-Fi Door Window Sensor MOT/DOOR/WIFI/BAT
Conservation Mart
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    Shop Wi-Fi Door and Window Sensor

    Sponsored
    About our ads
    $58.49
    $71.79
    2 Pack - Honeywell 5800MINI Door/Window Transmitter (REPLACES DISCONTINUED HONEYWELL 5811)
    Amazon.com
    129
    Free shipping
    18% off
    $58.49
    $71.79
    2 Pack - Honeywell 5800MINI Door/Window Transmitter (REPLACES DISCONTINUED HONEYWELL 5811)
    Amazon.com
    129
    $19.83
    $21.98
    Wifi Door Sensor: Smart Door Open/Closed Detectors, Wireless Window Sensor With App Notification Alert, Contact Sensor For Home Security, Compatible
    Amazon.com
    24
    $19.83
    $21.98
    Wifi Door Sensor: Smart Door Open/Closed Detectors, Wireless Window Sensor With App Notification Alert, Contact Sensor For Home Security, Compatible
    Amazon.com
    24
    $14.24
    Simplisafe Entry Sensor - Window And Door Protection - Compatible With Gen 3 Home Security System
    Amazon.com
    3K+
    $14.24
    Simplisafe Entry Sensor - Window And Door Protection - Compatible With Gen 3 Home Security System
    Amazon.com
    3K+
    $26.99
    MOBI Smart Wi-Fi Door & Window Sensor Real-Time Alerts, App Control, Easy Install - 2Pk
    Target
    Free shipping
    $26.99
    MOBI Smart Wi-Fi Door & Window Sensor Real-Time Alerts, App Control, Easy Install - 2Pk
    Target
    Free shipping
    $15.00
    Xfinity Door Window Sensor Home Security XHD2-LD (Latest Generation 2023)
    Amazon.com
    33
    $15.00
    Xfinity Door Window Sensor Home Security XHD2-LD (Latest Generation 2023)
    Amazon.com
    33
    $79.99
    Ecobee Smart Sensor For Doors & Windows 2 Pack - Wifi Contact Sensor For Home Security, Energy Savings - Compatible With Smart Thermostats -
    Amazon.com
    748
    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
    748
    $14.99
    Wifi Door Sensor, Tuya Smart Door Window Sensor, Smart Window Sensor Real-Time Alarm Compatible With Alexa Google Assistant,Home Security Door Open
    Amazon.com
    709
    $14.99
    Wifi Door Sensor, Tuya Smart Door Window Sensor, Smart Window Sensor Real-Time Alarm Compatible With Alexa Google Assistant,Home Security Door Open
    Amazon.com
    709
    $20.99
    $23.98
    Wifi Door Sensor Window Detector: Smart Magnetic Door Open Detector With App Alerts, Wireless Home Security Contact Sensor, Tuya App Remote Control,
    Amazon.com
    6
    12% off
    $20.99
    $23.98
    Wifi Door Sensor Window Detector: Smart Magnetic Door Open Detector With App Alerts, Wireless Home Security Contact Sensor, Tuya App Remote Control,
    Amazon.com
    6
    $39.99
    Wifi Door Sensor, Tuya Smart Door Window Sensor,Wireless Window Sensor Real-Time Alarm Compatible With Alexa Google Assistant,Home Security Door Open
    Amazon.com
    709
    Free shipping
    $39.99
    Wifi Door Sensor, Tuya Smart Door Window Sensor,Wireless Window Sensor Real-Time Alarm Compatible With Alexa Google Assistant,Home Security Door Open
    Amazon.com
    709
    $36.99
    Wifi Door Sensor: Wireless Window Sensor With App Alerts, Tuya Smart Contact Sensor For Home Security And Smart Home Automation, No Hub Required,
    Amazon.com
    157
    Free shipping
    $36.99
    Wifi Door Sensor: Wireless Window Sensor With App Alerts, Tuya Smart Contact Sensor For Home Security And Smart Home Automation, No Hub Required,
    Amazon.com
    157
    $10.99
    $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
    25K+
    45% off
    $10.99
    $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
    25K+
    $12.89
    1-Pack Tuya Smart Wifi Door Sensor,2.4Ghz Wifi Smart Window And Door Sensor Alarm, Wireless Magnetic Door Opening Detector
    Amazon.com
    $12.89
    1-Pack Tuya Smart Wifi Door Sensor,2.4Ghz Wifi Smart Window And Door Sensor Alarm, Wireless Magnetic Door Opening Detector
    Amazon.com
    $19.98
    Heiman Window Door Alarms When Opened, Wifi Door Chime Sensor, Contact Sensor For Home Security, Smart Wireless Magnetic Door Open Detector, APP
    Amazon.com
    151
    $19.98
    Heiman Window Door Alarms When Opened, Wifi Door Chime Sensor, Contact Sensor For Home Security, Smart Wireless Magnetic Door Open Detector, APP
    Amazon.com
    151
    $15.99
    Simplisafe - 1Pack Entry Sensor - White
    Best Buy
    80
    $15.99
    Simplisafe - 1Pack Entry Sensor - White
    Best Buy
    80
    $17.99
    Wifi Door Sensor, Smart Window Door Sensor, Alexa Door Window Contact Sensor For Home Security, Door Open Detector With Alert Notification Compatible
    Amazon.com
    59
    $17.99
    Wifi Door Sensor, Smart Window Door Sensor, Alexa Door Window Contact Sensor For Home Security, Door Open Detector With Alert Notification Compatible
    Amazon.com
    59
    $35.99
    $39.98
    Wifi Door Window Sensor: Smart Contact Sensor With App Alerts, Door Open Detector Compatible With Alexa Google Assistant, Entry Detector Sensor For
    Amazon.com
    121
    Free shipping
    $35.99
    $39.98
    Wifi Door Window Sensor: Smart Contact Sensor With App Alerts, Door Open Detector Compatible With Alexa Google Assistant, Entry Detector Sensor For
    Amazon.com
    121
    $12.99
    $19.99
    Aqara - T1 Door And Window Sensor- Requires Hub Product, Supports Apple Homekit, Alexa, Google, Smartthings - White
    Best Buy
    35% off
    $12.99
    $19.99
    Aqara - T1 Door And Window Sensor- Requires Hub Product, Supports Apple Homekit, Alexa, Google, Smartthings - White
    Best Buy
    $35.14
    $43.98
    4 Pack Wifi Door Window Sensor Detector: Wireless Security Alarm Door Sensor, Tuya Door Open Contact Sensor, Compatible With Alexa,Google Home,Siri,
    Amazon.com
    191
    Free shipping
    20% off
    $35.14
    $43.98
    4 Pack Wifi Door Window Sensor Detector: Wireless Security Alarm Door Sensor, Tuya Door Open Contact Sensor, Compatible With Alexa,Google Home,Siri,
    Amazon.com
    191