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Surveillance EquipmentAll CamerasAll Home AssistantsAll PhonesAll Security CamerasApple HomeKit Compatible DevicesComputer AccessoriesComputer MonitorsDesktop ComputersGeneral Electronic AccessoriesGoogleGrades 6-12 ElectronicsHeadphonesiPad & TabletsLaptop AccessoriesLaptopsNetworkingPC GamingRestored AutomotiveRestored HomeRestored PremiumRestored TechRokuSecurity CamerasSecurity Cameras and Security Camera SystemsShop all Headphones & SpeakersShop by BenefitShop by BrandShop by CompatibilityShop by RoomShop Cameras by TypeSmart Home Assistants, Controllers & HubsSurveillance CamerasTablet AccessoriesWorks with AlexaWorks with Google Assistant
Wifi Door Sensor(266)
Uses item details. Price when purchased online
KFFKFF Wireless Door Chime, DC 12V, Contact Sensor Alarm with 656 ft Range, App-Controlled Remote, Door Alert System for Business, Store, Home, Office (6 Sensors + 1 Receiver) $50.99 $50.99/ca
Sponsored
$5099
current price $50.99$50.99/ca
KFFKFF Wireless Door Chime, DC 12V, Contact Sensor Alarm with 656 ft Range, App-Controlled Remote, Door Alert System for Business, Store, Home, Office (6 Sensors + 1 Receiver)
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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, Alexa, IFTTT, Home Assistant From $16.99
Sponsored
From$1699
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, Alexa, IFTTT, Home Assistant
364.6 out of 5 Stars. 36 reviews
Entry Sensor $13.49 Was $14.99
Sponsored
Now$1349
current price Now $13.49, Was $14.99$14.99
Entry Sensor
774.7 out of 5 Stars. 77 reviews
YoLink Hub and Outdoor Security Siren & Smart Alarm Controller Kit - Loud 110 dB, Wireless, Battery-Powered, 1/4 Mile Range, Android-iOS App, Alexa, Google, IFTTT, Home Assistant From $46.99
Sponsored
From$4699
YoLink Hub and Outdoor Security Siren & Smart Alarm Controller Kit - Loud 110 dB, Wireless, Battery-Powered, 1/4 Mile Range, Android-iOS App, Alexa, Google, IFTTT, Home Assistant
84 out of 5 Stars. 8 reviews
Best seller Bitiwend Door Alarm Sensor Bitiwend Wireless Door Chime Alert for Kids Safety Home (1 Receiver+3 Sensors)
Bitiwend Door Alarm Sensor Bitiwend Wireless Door Chime Alert for Kids Safety Home (1 Receiver+3 Sensors)
1334.1 out of 5 Stars. 133 reviews
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HomeZone Wi-Fi Smart Keypad Controlled Window or Door Alarm with Magnetic Switch, Compatible with Alexa and Google Assistant, White, 4 oz $14.97
$1497
current price $14.97HomeZone Wi-Fi Smart Keypad Controlled Window or Door Alarm with Magnetic Switch, Compatible with Alexa and Google Assistant, White, 4 oz
663.6 out of 5 Stars. 66 reviews
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Homezone Wi-Fi Smart Wireless Window/Door Alarm Sensor, White, 1 Alarm Included From $19.97
2 options
Available in additional 2 optionsFrom$1997
Homezone Wi-Fi Smart Wireless Window/Door Alarm Sensor, White, 1 Alarm Included
374.2 out of 5 Stars. 37 reviews
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KFFKFF Wireless Door Chime, DC 12V, Contact Sensor Alarm with 656 ft Range, App-Controlled Remote, Door Alert System for Business, Store, Home, Office (6 Sensors + 1 Receiver) $50.99 $50.99/ca
$5099
current price $50.99$50.99/ca
KFFKFF Wireless Door Chime, DC 12V, Contact Sensor Alarm with 656 ft Range, App-Controlled Remote, Door Alert System for Business, Store, Home, Office (6 Sensors + 1 Receiver)
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Wifi Door Sensor, Wireless Window Alarm with Remote App Alerts, 2.4GHz Smart Home Security System, DIY Chime Tones, for House Door Opening Monitor $8.89
$889
current price $8.89Wifi Door Sensor, Wireless Window Alarm with Remote App Alerts, 2.4GHz Smart Home Security System, DIY Chime Tones, for House Door Opening Monitor
Xtreme Smart Wi-Fi Window/Door Sensor | Personal Security with Adhesive Backing | Powered by 2 AAA Batteries | Instant Notifications & Remote Access | No Hub Required $9.99
$999
current price $9.99Xtreme Smart Wi-Fi Window/Door Sensor | Personal Security with Adhesive Backing | Powered by 2 AAA Batteries | Instant Notifications & Remote Access | No Hub Required
15 out of 5 Stars. 1 reviews
eMACROS Pro 4 Smart Solar Driveway Alarm (2.4G Wi-Fi Only) - App Push Notifications, 1/2 Mile Wireless Range Motion Sensor & Rechargeable Base Station with 3-Day Backup (No Camera) $56.99
Sponsored
$5699
current price $56.99eMACROS Pro 4 Smart Solar Driveway Alarm (2.4G Wi-Fi Only) - App Push Notifications, 1/2 Mile Wireless Range Motion Sensor & Rechargeable Base Station with 3-Day Backup (No Camera)
45 out of 5 Stars. 4 reviews
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2Pairs Smart Door Sensor, WiFi Window Door Sensor Alarm, Contact Sensor for Home Security, Smart Home Automation $15.18
$1518
current price $15.182Pairs Smart Door Sensor, WiFi Window Door Sensor Alarm, Contact Sensor for Home Security, Smart Home Automation
15 out of 5 Stars. 1 reviews
Vivitar Smart Home Wi-Fi Door Sensor $20.38
$2038
current price $20.38Vivitar Smart Home Wi-Fi Door Sensor
12 out of 5 Stars. 1 reviews
YAHHU WIFI Door Sensor Tuya APP Control Door Window Opening Security Alarm Sensor Magnetic Switch Wireless Detector Compatible with Alexa Google Home IFTTT ABS Material 3.74 inches / 9.5 cm $20.72
$2072
current price $20.72YAHHU WIFI Door Sensor Tuya APP Control Door Window Opening Security Alarm Sensor Magnetic Switch Wireless Detector Compatible with Alexa Google Home IFTTT ABS Material 3.74 inches / 9.5 cm
Best seller Sgokeen Wireless Door Sensor Door Entry Chime, Door Open Alert with 600ft Range LED Indicators Receivers + Sensors Wireless Door Alarm,58 Ringtones Black From $13.58
From$1358
Sgokeen Wireless Door Sensor Door Entry Chime, Door Open Alert with 600ft Range LED Indicators Receivers + Sensors Wireless Door Alarm,58 Ringtones Black
1144.1 out of 5 Stars. 114 reviews
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Smart WiFi Door and Window Sensor, No Hub Required Wireless Contact Sensor with App Alerts, Compatible with Alexa & Google Assistant(White, Battery Not Included) From $12.49
From$1249
Smart WiFi Door and Window Sensor, No Hub Required Wireless Contact Sensor with App Alerts, Compatible with Alexa & Google Assistant(White, Battery Not Included)
Clearance WiFi Door Sensor, Smart Window Door Sensor Alarm, Contact Sensor for Home Security, Wireless Magnetic Door Open Detector, Home Door Magnetic Sensor Intelligent Door Window Intrusion Detector Alarm Was $9.99
WiFi Door Sensor, Smart Window Door Sensor Alarm, Contact Sensor for Home Security, Wireless Magnetic Door Open Detector, Home Door Magnetic Sensor Intelligent Door Window Intrusion Detector Alarm
NFTIGB WiFi Smart Door Window Sensor Alarm Magnetic Home Security System Door Open Alert with APP Remote Control for Garage, Apartment, Dorm, Shop and Office $15.27
$1527
current price $15.27NFTIGB WiFi Smart Door Window Sensor Alarm Magnetic Home Security System Door Open Alert with APP Remote Control for Garage, Apartment, Dorm, Shop and Office
NFTIGB WIFI Smart Door Window Alarm Sensor Wireless Remote Control for Home Security. Advanced WIFI Door Window Sensor to protect your house. Easy to install and use.[cite: 1] $14.13
![NFTIGB WIFI Smart Door Window Alarm Sensor Wireless Remote Control for Home Security. Advanced WIFI Door Window Sensor to protect your house. Easy to install and use.[cite: 1]](https://i5.walmartimages.com/seo/NFTIGB-WIFI-Smart-Door-Window-Alarm-Sensor-Wireless-Remote-Control-Home-Security-Advanced-WIFI-Door-Window-Sensor-protect-house-Easy-install-use-cite_c0513700-46ec-4e2a-a2ca-4011a2796b82.682e7c90c71727d022bf666867224a30.jpeg?odnHeight=576&odnWidth=576&odnBg=FFFFFF)
$1413
current price $14.13NFTIGB WIFI Smart Door Window Alarm Sensor Wireless Remote Control for Home Security. Advanced WIFI Door Window Sensor to protect your house. Easy to install and use.[cite: 1]
Entry Sensor $13.49 Was $14.99
Now$1349
current price Now $13.49, Was $14.99$14.99
Entry Sensor
774.7 out of 5 Stars. 77 reviews
WiFi Door and Window Sensors,Tuya Smart Alarm with Free Notification APP Control Home Security Alarm System, No Hub Required,Compatible with Alexa 4 $30.99
$3099
current price $30.99WiFi Door and Window Sensors,Tuya Smart Alarm with Free Notification APP Control Home Security Alarm System, No Hub Required,Compatible with Alexa 4
Clearance VALSEEL Smart WiFi Door Sensor,Wireless Window Sensor Real-time Message Notification,Home Security Door Open Entry Sensor $8.09 Was $8.99
Now$809
current price Now $8.09, Was $8.99$8.99
VALSEEL Smart WiFi Door Sensor,Wireless Window Sensor Real-time Message Notification,Home Security Door Open Entry Sensor
YoLink LoRa Smart Door Sensor Starter Kit: SpeakerHub Audio Hub & Door Sensor - Up to 1/4 Mile Range, Door Left-Open Reminders, up to 5 Year Batteries, Alexa, IFTTT, Home Assistant (2.4GHz WiFi Reqd) From $16.99
6 options
Available in additional 6 optionsFrom$1699
YoLink LoRa Smart Door Sensor Starter Kit: SpeakerHub Audio Hub & Door Sensor - Up to 1/4 Mile Range, Door Left-Open Reminders, up to 5 Year Batteries, Alexa, IFTTT, Home Assistant (2.4GHz WiFi Reqd)
364.6 out of 5 Stars. 36 reviews
WiFi Door Window Sensor: Smart Contact Sensor with App Alerts, Door Open Detector Compatible with Alexa Google Assistant, Entry Detector Sensor for Home Security and Home Automation (4-Pack)
WiFi Door Window Sensor: Smart Contact Sensor with App Alerts, Door Open Detector Compatible with Alexa Google Assistant, Entry Detector Sensor for Home Security and Home Automation (4-Pack)
Aqara Zigbee Smart Door Window Sensor - Wireless Mini Contact Detector for Home Security, Compatible with Mijia Gateway, Apple HomeKit & Mijia App From $22.30
4 options
Available in additional 4 optionsFrom$2230
Aqara Zigbee Smart Door Window Sensor - Wireless Mini Contact Detector for Home Security, Compatible with Mijia Gateway, Apple HomeKit & Mijia App
11 out of 5 Stars. 1 reviews
Kangaroo Motion+Entry Sensor: Indoor Security Alarm for Doors & Windows, 20-Foot Range, 110 View, WiFi Real-Time Phone Alerts, Easy Peel-And-Stick Install $47.43
$4743
current price $47.43Kangaroo Motion+Entry Sensor: Indoor Security Alarm for Doors & Windows, 20-Foot Range, 110 View, WiFi Real-Time Phone Alerts, Easy Peel-And-Stick Install
Clearance Smart WiFi Door Sensor, Wireless Window Entry Sensor, Real-Time Notification for Home Security, Magnetic Trigger, Easy Setup, Compatible with Smart Home Systems Christmas Gift From $4.99
From$499
Smart WiFi Door Sensor, Wireless Window Entry Sensor, Real-Time Notification for Home Security, Magnetic Trigger, Easy Setup, Compatible with Smart Home Systems Christmas Gift
33 out of 5 Stars. 3 reviews
WiFi Door Sensor That Alert Your Phone WiFi Window Sensor Tuya Door Opener Detector Wireless Smart Door Sensor Alarm for Home Security&Automation $25.80
$2580
current price $25.80WiFi Door Sensor That Alert Your Phone WiFi Window Sensor Tuya Door Opener Detector Wireless Smart Door Sensor Alarm for Home Security&Automation
Fosmon WaveLink Wireless Doorbell Chime, Home Security System Alarm When Door Opens, Magnetic Door Alarm And Sensor For Store, Restaurant, Business, Kids, Elderly & More, 1 Sensor 1 Receiver From $9.99
8 options
Available in additional 8 optionsFrom$999
Fosmon WaveLink Wireless Doorbell Chime, Home Security System Alarm When Door Opens, Magnetic Door Alarm And Sensor For Store, Restaurant, Business, Kids, Elderly & More, 1 Sensor 1 Receiver
1444 out of 5 Stars. 144 reviews
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Clearance Smart WiFi Door & Window Sensor - Wireless Home Security Entry Detector with Real-Time Message Notifications, Ideal for Monitoring Door/Window Open Status in Smart Homes Was $6.99
Smart WiFi Door & Window Sensor - Wireless Home Security Entry Detector with Real-Time Message Notifications, Ideal for Monitoring Door/Window Open Status in Smart Homes
Rupoun DW2 Sensor Wifi Wireless Door Window Alarm Sensor Open/Closed Detectors Smart Home Security (3.7 inches / 9.5 cm) $22.49
$2249
current price $22.49Rupoun DW2 Sensor Wifi Wireless Door Window Alarm Sensor Open/Closed Detectors Smart Home Security (3.7 inches / 9.5 cm)
Magnetic Door Window Sensor, Intelligent Intrusion Detector Alarm, for Home Security, WiFi Connectivity, Easy Installation, Real-Time Alerts, for Doors Windows, App Control Was $11.99
Magnetic Door Window Sensor, Intelligent Intrusion Detector Alarm, for Home Security, WiFi Connectivity, Easy Installation, Real-Time Alerts, for Doors Windows, App Control
3 Packs Smart WiFi Door Sensor Alarm System with Remote APP Alerts 10 Chimes DIY Security for Home Office Pet Safety 2.4GHz Wireless Expandable up to 100 Devices From $22.67
2 options
Available in additional 2 optionsFrom$2267
3 Packs Smart WiFi Door Sensor Alarm System with Remote APP Alerts 10 Chimes DIY Security for Home Office Pet Safety 2.4GHz Wireless Expandable up to 100 Devices
Suodoka WiFi Smart Door Window Sensor Alarm, Wireless App Control Detector for Home Security, Compatible Voice Assistant Smart Device, 2.6 inches / 66 mm $16.09
$1609
current price $16.09Suodoka WiFi Smart Door Window Sensor Alarm, Wireless App Control Detector for Home Security, Compatible Voice Assistant Smart Device, 2.6 inches / 66 mm
4 Pack WiFi Door Window Sensor Detector: Wireless Security Alarm Door Sensor, Tuya Door Open Contact Sensor, Compatible with Alexa,Google Home,Siri, Smart Door Sensors for Home Business Security $74.77
$7477
current price $74.774 Pack WiFi Door Window Sensor Detector: Wireless Security Alarm Door Sensor, Tuya Door Open Contact Sensor, Compatible with Alexa,Google Home,Siri, Smart Door Sensors for Home Business Security
SNNROO WiFi Smart Door Sensor Chime Window Entry Alarm, APP Control Wireless Security System with Push Notification, Universal Installation,Compatible with Amazon Alexa, Google Home $12.58
$1258
current price $12.58SNNROO WiFi Smart Door Sensor Chime Window Entry Alarm, APP Control Wireless Security System with Push Notification, Universal Installation,Compatible with Amazon Alexa, Google Home
Smart WiFi Door Sensor, Wireless Window Sensor Real-Time Message Notification, Home Security Door Open Entry Sensor with Smart Life App Voice Control $13.99
$1399
current price $13.99Smart WiFi Door Sensor, Wireless Window Sensor Real-Time Message Notification, Home Security Door Open Entry Sensor with Smart Life App Voice Control
Best seller Entry Sensor - Window and Door Protection - Compatible with Gen 3 Home Security System Was $49.99
Entry Sensor - Window and Door Protection - Compatible with Gen 3 Home Security System
334.6 out of 5 Stars. 33 reviews
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SNNROO WiFi Door Sensor,Smart Window Contact Sensor Compatible with Alexa Google AssistantAPP Control and Message Alert Function, Wireless Security Alarm Door Open Chime Sensor for Home Bussiness $12.58
$1258
current price $12.58SNNROO WiFi Door Sensor,Smart Window Contact Sensor Compatible with Alexa Google AssistantAPP Control and Message Alert Function, Wireless Security Alarm Door Open Chime Sensor for Home Bussiness
Window Alarm, 10-Pack Wireless Window Door Entry Alarm Burglar Security Alarm Magnetic Sensor Ideal for Home, Garage, Apartment, Dorm, Office Was $15.61
Window Alarm, 10-Pack Wireless Window Door Entry Alarm Burglar Security Alarm Magnetic Sensor Ideal for Home, Garage, Apartment, Dorm, Office
104.4 out of 5 Stars. 10 reviews
TMT SN1 Wireless Smart Door Sensor, WiFi Window Alarm Sensor Up to 164 Feet, Wireless Contact Sensor for Home Security, Smart Home Devices Compatible with With ChowBOX $12.75 Was $15.00
Now$1275
current price Now $12.75, Was $15.00$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 with With ChowBOX
WiFi Smart Door Sensor, Wireless Door Window Sensor Alarm, Mini Contact Sensor for Home Security, Push Notification, Volume Adjustable, Timer, Compatible with Alexa/Google Assistant 2 Pack $29.56
$2956
current price $29.56WiFi Smart Door Sensor, Wireless Door Window Sensor Alarm, Mini Contact Sensor for Home Security, Push Notification, Volume Adjustable, Timer, Compatible with Alexa/Google Assistant 2 Pack
For For Tuya Wifi Door Sensor For Window Smart Home Wireless Detector Remote Control $12.03
$1203
current price $12.03For For Tuya Wifi Door Sensor For Window Smart Home Wireless Detector Remote Control
2Sets 2Packs/Set WiFi Door Sensor Detector Smart, Wireless Window Sensor Real-time Alarm Compatible, Home Security Door Open Contact Sensor for Bussiness Burglar Alert From $13.99
2 options
Available in additional 2 optionsFrom$1399
2Sets 2Packs/Set WiFi Door Sensor Detector Smart, Wireless Window Sensor Real-time Alarm Compatible, Home Security Door Open Contact Sensor for Bussiness Burglar Alert
23 out of 5 Stars. 2 reviews
Smart WiFi Door Sensor Alarm System with Remote App Control, 2.4GHz Network, Suitable for 100+ Device, DIY Modes, Instant Alerts for Home Security
Smart WiFi Door Sensor Alarm System with Remote App Control, 2.4GHz Network, Suitable for 100+ Device, DIY Modes, Instant Alerts for Home Security
11 out of 5 Stars. 1 reviews
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