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$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
9
$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
9
$89.23
$134.99
ULTRALOQ U-Bolt Wifi Smart Lock With Door Sensor, 7-In-1 Keyless Entry Door Lock, Built-In Wifi Deadbolt Front Door, App Remote Control No Hub, Auto
Amazon.com
6K+
Free shipping
33% off
$89.23
$134.99
ULTRALOQ U-Bolt Wifi Smart Lock With Door Sensor, 7-In-1 Keyless Entry Door Lock, Built-In Wifi Deadbolt Front Door, App Remote Control No Hub, Auto
Amazon.com
6K+
$31.59
Smart Door And Window Sensor: Wifi Door Sensor For Home Security, App Alerts, Wireless Contact Sensor, Programmable With Smart Life Devices,
Amazon.com
$31.59
Smart Door And Window Sensor: Wifi Door Sensor For Home Security, App Alerts, Wireless Contact Sensor, Programmable With Smart Life Devices,
Amazon.com
$24.99
YOLINK Lora Smart Outdoor Contact Sensor, Gate & Shed Door Sensor, Universal Contact-Closure Sensor, Email/SMS/Push Alerts, 1/4 Mile Range, Alexa,
Amazon.com
559
$24.99
YOLINK Lora Smart Outdoor Contact Sensor, Gate & Shed Door Sensor, Universal Contact-Closure Sensor, Email/SMS/Push Alerts, 1/4 Mile Range, Alexa,
Amazon.com
559
$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
698
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
698
$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
$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
$48.99
$69.99
Philips Hue Secure Smart Contact Sensor, Black - 2 Pack - Made For Indoor Doors And Windows - Requires Hue Bridge - Works With The Hue App
Amazon.com
8
Free shipping
30% off
$48.99
$69.99
Philips Hue Secure Smart Contact Sensor, Black - 2 Pack - Made For Indoor Doors And Windows - Requires Hue Bridge - Works With The Hue App
Amazon.com
8
$212.99
Lockly Secure Pro Smart Lock Wi-Fi, Keyless Entry Digital Keypad Door Lock, 3D Biometric Fingerprint Sensor Front Door With Handle, Voice Control &
Amazon.com
8
Free shipping
$212.99
Lockly Secure Pro Smart Lock Wi-Fi, Keyless Entry Digital Keypad Door Lock, 3D Biometric Fingerprint Sensor Front Door With Handle, Voice Control &
Amazon.com
8
$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
$15.00
TMT SN1 Wireless Smart Door Sensor, Wifi Window Alarm Sensor Up To 164 Feet, Wireless Contact Sensor For Home Security, Smart Home Devices Compatible
Amazon.com
$15.00
TMT SN1 Wireless Smart Door Sensor, Wifi Window Alarm Sensor Up To 164 Feet, Wireless Contact Sensor For Home Security, Smart Home Devices Compatible
Amazon.com
$65.99
Yolink Lora Smart Door Sensor Starter Kit: - 1/4 Mile Open-Air Range, Door Left-Open Reminders,5 Years Battery Life, SMS/Text, Email & App Alerts,
Amazon.com
1K+
Free shipping
$65.99
Yolink Lora Smart Door Sensor Starter Kit: - 1/4 Mile Open-Air Range, Door Left-Open Reminders,5 Years Battery Life, SMS/Text, Email & App Alerts,
Amazon.com
1K+
$14.99
Tuya Wifi Door Sensor LWOHSI Wireless Security Alarm, Compatible With Alexa, Google Home, Siri - Smart Door Sensor For Home Business Security (1 Pack)
Amazon.com
$14.99
Tuya Wifi Door Sensor LWOHSI Wireless Security Alarm, Compatible With Alexa, Google Home, Siri - Smart Door Sensor For Home Business Security (1 Pack)
Amazon.com
$19.94
$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
157
16% off
$19.94
$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
157
$9.99
$14.99
IKEA - PARASOLL Door/Window Sensor, Smart/White
IKEA
230
33% off
$9.99
$14.99
IKEA - PARASOLL Door/Window Sensor, Smart/White
IKEA
230
$59.00
Nuki Door Sensor, Know If Your Door Is Open Or Closed, Smart Lock Accessory, Real-Time Alerts, Extra Security For Home Or Airbnb
Amazon.com
Free shipping
$59.00
Nuki Door Sensor, Know If Your Door Is Open Or Closed, Smart Lock Accessory, Real-Time Alerts, Extra Security For Home Or Airbnb
Amazon.com
Free shipping
$10.39
$12.99
Sanofuturion Smart Wifi Door/Window Sensor | Tuya Smart Alarm, Wireless Entry Detector With Real-Time Alerts, Compatible With Alexa/Google Home, No
Amazon.com
20% off
$10.39
$12.99
Sanofuturion Smart Wifi Door/Window Sensor | Tuya Smart Alarm, Wireless Entry Detector With Real-Time Alerts, Compatible With Alexa/Google Home, No
Amazon.com
$15.00
Xfinity Door Window Sensor Home Security XHD2-LD (Latest Generation 2023)
Amazon.com
31
$15.00
Xfinity Door Window Sensor Home Security XHD2-LD (Latest Generation 2023)
Amazon.com
31
$54.99
Wifi Door Alarm System, Wireless DIY Smart Home Security System, With Phone APP Alert, 8 Pieces-Kit (Alarm Siren, Door Window Sensor, Remote), Work
Amazon.com
2K+
Free shipping
$54.99
Wifi Door Alarm System, Wireless DIY Smart Home Security System, With Phone APP Alert, 8 Pieces-Kit (Alarm Siren, Door Window Sensor, Remote), Work
Amazon.com
2K+
$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
$16.95
Yolink Lora Smart Door & Window Sensor: Up To 1/4 Mile Open-Air Range, Door Left-Open Reminders, Up To 5 Year Battery Life, Alexa, IFTTT, Home
Amazon.com
153
Free shipping
$16.95
Yolink Lora Smart Door & Window Sensor: Up To 1/4 Mile Open-Air Range, Door Left-Open Reminders, Up To 5 Year Battery Life, Alexa, IFTTT, Home
Amazon.com
153
$199.99
ULTRALOQ Bolt Fingerprint Smart Lock With Door Sensor, Built-In Wifi Smart Locks For Front Door, Biometric Smart Wifi Deadbolt, Auto Unlock, 10 Months
Amazon.com
Free shipping
$199.99
ULTRALOQ Bolt Fingerprint Smart Lock With Door Sensor, Built-In Wifi Smart Locks For Front Door, Biometric Smart Wifi Deadbolt, Auto Unlock, 10 Months
Amazon.com
Free shipping
$39.99
$43.99
Yolink Lora Smart Door Sensor Starter Kit: Hub & (2) Door Sensors - Up To 1/4 Mile Open-Air Range, Door Left-Open Reminders, Up To 5 Year Battery Life
Amazon.com
83
Free shipping
$39.99
$43.99
Yolink Lora Smart Door Sensor Starter Kit: Hub & (2) Door Sensors - Up To 1/4 Mile Open-Air Range, Door Left-Open Reminders, Up To 5 Year Battery Life
Amazon.com
83
$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
$665.00
Olideauto Smart Wifi APP Control Automatic Door Opener,Wifi Built In Receiver Olide-510FW,Compatible For Alexa,Google Assistant Voice Control Auto
Amazon.com
8
Free shipping
$665.00
Olideauto Smart Wifi APP Control Automatic Door Opener,Wifi Built In Receiver Olide-510FW,Compatible For Alexa,Google Assistant Voice Control Auto
Amazon.com
8
$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
18
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
18
$157.00
821LMB-2SENSOR Myq Smart Garage Door Sensor
Amazon.com
Free shipping
$157.00
821LMB-2SENSOR Myq Smart Garage Door Sensor
Amazon.com
Free shipping
$199.49
Lockly Secure Plus, Keyless Entry Door Lock, Smart Locks For Front Door, Smart Lock Deadbolt, PIN Genie® Keypad, 3D Biometric Fingerprint Sensor, Auto
Amazon.com
50
Free shipping
$199.49
Lockly Secure Plus, Keyless Entry Door Lock, Smart Locks For Front Door, Smart Lock Deadbolt, PIN Genie® Keypad, 3D Biometric Fingerprint Sensor, Auto
Amazon.com
50
$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
$101.31
$118.20
Traceable 07504-29 7600 Smart Door Sensor
Test Equipment Depot
14% off
$101.31
$118.20
Traceable 07504-29 7600 Smart Door Sensor
Test Equipment Depot
$39.95
Door & Window (Matter) - Smart Contact Sensor, Matter & Thread Works W/ Apple Home/Smartthings/Alexa/Google Home (White)
Home Depot
786
Free shipping
$39.95
Door & Window (Matter) - Smart Contact Sensor, Matter & Thread Works W/ Apple Home/Smartthings/Alexa/Google Home (White)
Home Depot
786
$24.49
Wbm Smart Wifi Door Sensor, Window Alarm Sensor, Wireless Security, App Control Alarm
Kohl's
$24.49
Wbm Smart Wifi Door Sensor, Window Alarm Sensor, Wireless Security, App Control Alarm
Kohl's
$84.95
Door & Window (Matter) - Smart Contact Sensor, Works With Apple Home/Smartthings/Alexa/Google Home 3-Pack (White)
Home Depot
1
Free shipping
$84.95
Door & Window (Matter) - Smart Contact Sensor, Works With Apple Home/Smartthings/Alexa/Google Home 3-Pack (White)
Home Depot
1
$13.99
Smart Wifi Door And Window Sensor By EARYKONG, Compatible With Alexa And Google Home
Digitalzakka
30-day returns (most items)
$13.99
Smart Wifi Door And Window Sensor By EARYKONG, Compatible With Alexa And Google Home
Digitalzakka
30-day returns
$19.97
Homezone Wi-Fi Smart Wireless Window/Door Alarm Sensor, White, 1 Alarm Included
Walmart
In store
Curbside
$19.97
Homezone Wi-Fi Smart Wireless Window/Door Alarm Sensor, White, 1 Alarm Included
Walmart
$171.42
$342.92
Single Story Home Security System | Intrusion Protection With Motion And Entry Sensors | Official Simplisafe
SimpliSafe, Inc.
Free shipping
50% off
$171.42
$342.92
Single Story Home Security System | Intrusion Protection With Motion And Entry Sensors | Official Simplisafe
SimpliSafe, Inc.
Free shipping
$58.99
Door Chime, DC 12V, Wireless Door Open Contact Sensor Alarm Chime With 656 ft. Range, Remote Control With App
Home Depot
Free shipping
$58.99
Door Chime, DC 12V, Wireless Door Open Contact Sensor Alarm Chime With 656 ft. Range, Remote Control With App
Home Depot
Free shipping
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    Shop smart door sensor

    Sponsored
    About our ads
    $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
    9
    $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
    9
    $89.23
    $134.99
    ULTRALOQ U-Bolt Wifi Smart Lock With Door Sensor, 7-In-1 Keyless Entry Door Lock, Built-In Wifi Deadbolt Front Door, App Remote Control No Hub, Auto
    Amazon.com
    6K+
    Free shipping
    33% off
    $89.23
    $134.99
    ULTRALOQ U-Bolt Wifi Smart Lock With Door Sensor, 7-In-1 Keyless Entry Door Lock, Built-In Wifi Deadbolt Front Door, App Remote Control No Hub, Auto
    Amazon.com
    6K+
    $31.59
    Smart Door And Window Sensor: Wifi Door Sensor For Home Security, App Alerts, Wireless Contact Sensor, Programmable With Smart Life Devices,
    Amazon.com
    $31.59
    Smart Door And Window Sensor: Wifi Door Sensor For Home Security, App Alerts, Wireless Contact Sensor, Programmable With Smart Life Devices,
    Amazon.com
    $24.99
    YOLINK Lora Smart Outdoor Contact Sensor, Gate & Shed Door Sensor, Universal Contact-Closure Sensor, Email/SMS/Push Alerts, 1/4 Mile Range, Alexa,
    Amazon.com
    559
    $24.99
    YOLINK Lora Smart Outdoor Contact Sensor, Gate & Shed Door Sensor, Universal Contact-Closure Sensor, Email/SMS/Push Alerts, 1/4 Mile Range, Alexa,
    Amazon.com
    559
    $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
    698
    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
    698
    $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
    $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
    $48.99
    $69.99
    Philips Hue Secure Smart Contact Sensor, Black - 2 Pack - Made For Indoor Doors And Windows - Requires Hue Bridge - Works With The Hue App
    Amazon.com
    8
    Free shipping
    30% off
    $48.99
    $69.99
    Philips Hue Secure Smart Contact Sensor, Black - 2 Pack - Made For Indoor Doors And Windows - Requires Hue Bridge - Works With The Hue App
    Amazon.com
    8
    $212.99
    Lockly Secure Pro Smart Lock Wi-Fi, Keyless Entry Digital Keypad Door Lock, 3D Biometric Fingerprint Sensor Front Door With Handle, Voice Control &
    Amazon.com
    8
    Free shipping
    $212.99
    Lockly Secure Pro Smart Lock Wi-Fi, Keyless Entry Digital Keypad Door Lock, 3D Biometric Fingerprint Sensor Front Door With Handle, Voice Control &
    Amazon.com
    8
    $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
    $15.00
    TMT SN1 Wireless Smart Door Sensor, Wifi Window Alarm Sensor Up To 164 Feet, Wireless Contact Sensor For Home Security, Smart Home Devices Compatible
    Amazon.com
    $15.00
    TMT SN1 Wireless Smart Door Sensor, Wifi Window Alarm Sensor Up To 164 Feet, Wireless Contact Sensor For Home Security, Smart Home Devices Compatible
    Amazon.com
    $65.99
    Yolink Lora Smart Door Sensor Starter Kit: - 1/4 Mile Open-Air Range, Door Left-Open Reminders,5 Years Battery Life, SMS/Text, Email & App Alerts,
    Amazon.com
    1K+
    Free shipping
    $65.99
    Yolink Lora Smart Door Sensor Starter Kit: - 1/4 Mile Open-Air Range, Door Left-Open Reminders,5 Years Battery Life, SMS/Text, Email & App Alerts,
    Amazon.com
    1K+
    $14.99
    Tuya Wifi Door Sensor LWOHSI Wireless Security Alarm, Compatible With Alexa, Google Home, Siri - Smart Door Sensor For Home Business Security (1 Pack)
    Amazon.com
    $14.99
    Tuya Wifi Door Sensor LWOHSI Wireless Security Alarm, Compatible With Alexa, Google Home, Siri - Smart Door Sensor For Home Business Security (1 Pack)
    Amazon.com
    $19.94
    $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
    157
    16% off
    $19.94
    $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
    157
    $9.99
    $14.99
    IKEA - PARASOLL Door/Window Sensor, Smart/White
    IKEA
    230
    33% off
    $9.99
    $14.99
    IKEA - PARASOLL Door/Window Sensor, Smart/White
    IKEA
    230
    $59.00
    Nuki Door Sensor, Know If Your Door Is Open Or Closed, Smart Lock Accessory, Real-Time Alerts, Extra Security For Home Or Airbnb
    Amazon.com
    Free shipping
    $59.00
    Nuki Door Sensor, Know If Your Door Is Open Or Closed, Smart Lock Accessory, Real-Time Alerts, Extra Security For Home Or Airbnb
    Amazon.com
    Free shipping
    $10.39
    $12.99
    Sanofuturion Smart Wifi Door/Window Sensor | Tuya Smart Alarm, Wireless Entry Detector With Real-Time Alerts, Compatible With Alexa/Google Home, No
    Amazon.com
    20% off
    $10.39
    $12.99
    Sanofuturion Smart Wifi Door/Window Sensor | Tuya Smart Alarm, Wireless Entry Detector With Real-Time Alerts, Compatible With Alexa/Google Home, No
    Amazon.com
    $15.00
    Xfinity Door Window Sensor Home Security XHD2-LD (Latest Generation 2023)
    Amazon.com
    31
    $15.00
    Xfinity Door Window Sensor Home Security XHD2-LD (Latest Generation 2023)
    Amazon.com
    31
    $54.99
    Wifi Door Alarm System, Wireless DIY Smart Home Security System, With Phone APP Alert, 8 Pieces-Kit (Alarm Siren, Door Window Sensor, Remote), Work
    Amazon.com
    2K+
    Free shipping
    $54.99
    Wifi Door Alarm System, Wireless DIY Smart Home Security System, With Phone APP Alert, 8 Pieces-Kit (Alarm Siren, Door Window Sensor, Remote), Work
    Amazon.com
    2K+