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Surveillance EquipmentPortable TechStunt Drone5G WirelessAll ASUSAll CamcordersAll CamerasAll CanonAll DellAll Electronics Cleaning KitsAll GPS DevicesAll Home AssistantsAll Laptop ComputersAll PhonesAll Premium TechAll Resold at WalmartAll Security CamerasAll TabletsAndroid Smart WatchesAndroid TabletsAppleApple AccessoriesApple HomeKit Compatible DevicesApple iPadApple iPhoneApple MacBookApple WatchASUSAT&T WirelessAudio Visual AccessoriesCamcorder AccessoriesCamera AccessoriesCamera Bundles and KitsCar GPSCell Phone AccessoriesComputer AccessoriesComputer ComponentsComputer MonitorsComputer ScannersComputer ServersCreator & Media LaptopsDellDesktop ComputersDrone AccessoriesDrones by PriceDrones by Skill LevelDrones with CamerasEssential LaptopsFitbitFitness TrackersFoldable DronesFujifilmGarminGarmin GPSGeneral Electronic AccessoriesGoogleGoogle Pixel WatchesGPS AccessoriesGPS TrackersGrades 6-12 ElectronicsGrades K-5 ElectronicsHandheld GPS UnitsHeadphonesHeadsets & AccessoriesHome Audio, Speakers & SoundbarsHome TheaterHPiPad & TabletsiPad AccessoriesKids Smartwatches & Fitness TrackersLaptop AccessoriesLaptopsLaptops by Operating SystemMotorolaNetworkingNikonPC GamingPortable AudioPre-K ElectronicsPrepaid PhonesPrinters & SuppliesRC DronesRed Light TherapyRed Light Therapy DevicesRefurbished AppleRefurbished TabletsResold Cell PhonesResold ElectronicsResold GamingResold Health & WellnessResold Sports & OutdoorsRestored AutomotiveRestored HomeRestored PremiumRestored TechRestored ToolsRokuSamsungSamsung Galaxy WatchesSecurity CamerasSecurity Cameras and Security Camera SystemsShop All DronesShop all Headphones & SpeakersShop by BenefitShop by BrandShop by CompatibilityShop by RoomShop Camcorders by TypeShop Cameras by BrandShop Cameras by TypeShop Computers by BrandShop Drones by TypeShop Laptops By BrandShop Laptops by TypeShop Tablets by Operating SystemShop Tablets by Screen SizeSmart Energy and LightingSmart Health and FitnessSmart Home Assistants, Controllers & HubsSmart SpeakersSmart Watch CategoriesSmart WatchesSonySports & Action CamcordersStraight Talk WirelessSurveillance CamerasTablet AccessoriesTablets for KidsTop Rated Video CamerasTruck GPSTV AccessoriesUnlocked PhonesWalkie Talkies & 2-Way RadiosWaterproof CamerasWearable Tech for KidsWearable Technology by BrandWeb CamerasWork & Business LaptopsWorks with AlexaWorks with Google Assistant

Contact Sensor

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

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)
Sponsored
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)

Save with
Walmart Plus

VEVOR Door Chime, DC 12V, Wireless Door Open Contact Sensor Alarm Chime with 656 ft Range, Remote Control with App, Doors Ringer Alert for Business, Store, Home, Office (6 Sensors + 1 Receiver) $55.98

VEVOR Door Chime, DC 12V, Wireless Door Open Contact Sensor Alarm Chime with 656 ft Range, Remote Control with App, Doors Ringer Alert for Business, Store, Home, Office (6 Sensors + 1 Receiver)
Sponsored
current price $55.98

VEVOR Door Chime, DC 12V, Wireless Door Open Contact Sensor Alarm Chime with 656 ft Range, Remote Control with App, Doors Ringer Alert for Business, Store, Home, Office (6 Sensors + 1 Receiver)

3 out of 5 Stars. 2 reviews

Eve Door & Window (Matter) – Smart contact sensor for doors & windows, open/closed state, automatic control of accessories, notifications, Thread $43.95

Eve Door & Window (Matter) – Smart contact sensor for doors & windows, open/closed state, automatic control of accessories, notifications, Thread
Sponsored
current price $43.95

Eve Door & Window (Matter) – Smart contact sensor for doors & windows, open/closed state, automatic control of accessories, notifications, Thread

Door Alarm, AMIR Anti-Theft 125DB Door Alarm Window Alarm For Home Office Warehouse Shop Elderly Kids Security 4PCS From $21.99

Door Alarm, AMIR Anti-Theft 125DB Door Alarm Window Alarm For Home Office Warehouse Shop Elderly Kids Security 4PCS
Options
Sponsored
From$2199

Door Alarm, AMIR Anti-Theft 125DB Door Alarm Window Alarm For Home Office Warehouse Shop Elderly Kids Security 4PCS

4.1 out of 5 Stars. 35 reviews
Save with
Walmart Plus

Eve Door & Window (Matter) Smart contact sensor for doors & windows, open/closed state, automatic control of accessories, notifications, Thread $43.95

Eve Door & Window (Matter) Smart contact sensor for doors & windows, open/closed state, automatic control of accessories, notifications, Thread
current price $43.95

Eve Door & Window (Matter) Smart contact sensor for doors & windows, open/closed state, automatic control of accessories, notifications, Thread

DSC WS4945 Wireless Door/Window Contact Sensor $57.05

DSC WS4945 Wireless Door/Window Contact Sensor
current price $57.05

DSC WS4945 Wireless Door/Window Contact Sensor

5 out of 5 Stars. 2 reviews

2Pairs Smart Door Sensor, WiFi Window Door Sensor Alarm, Contact Sensor for Home Security, Smart Home Automation $15.48

2Pairs Smart Door Sensor, WiFi Window Door Sensor Alarm, Contact Sensor for Home Security, Smart Home Automation
current price $15.48

2Pairs Smart Door Sensor, WiFi Window Door Sensor Alarm, Contact Sensor for Home Security, Smart Home Automation

5 out of 5 Stars. 1 reviews

Eve Door & Window (Matter) 3 pack Smart contact sensor for doors & windows, open/closed state, automatic control of accessories, notifications, Thread $109.95

Eve Door & Window (Matter) 3 pack Smart contact sensor for doors & windows, open/closed state, automatic control of accessories, notifications, Thread
current price $109.95

Eve Door & Window (Matter) 3 pack Smart contact sensor for doors & windows, open/closed state, automatic control of accessories, notifications, Thread

A house of tools Alarm Contact Sensor 2-Pack - 2nd Gen | Instant Window & Door Alerts | Approximately 3-Year Battery Life | Slim Design | Easy Installation | Base Station Required From $29.98

A house of tools Alarm Contact Sensor 2-Pack - 2nd Gen | Instant Window & Door Alerts | Approximately 3-Year Battery Life | Slim Design | Easy Installation | Base Station Required
1-Pack Contact Sensor, variant on A house of tools Alarm Contact Sensor 2-Pack - 2nd Gen | Instant Window & Door Alerts | Approximately 3-Year Battery Life | Slim Design | Easy Installation | Base Station Required
2-Pack Contact Sensor, variant on A house of tools Alarm Contact Sensor 2-Pack - 2nd Gen | Instant Window & Door Alerts | Approximately 3-Year Battery Life | Slim Design | Easy Installation | Base Station Required
Options
From$2998

A house of tools Alarm Contact Sensor 2-Pack - 2nd Gen | Instant Window & Door Alerts | Approximately 3-Year Battery Life | Slim Design | Easy Installation | Base Station Required

Door Window Sensor, Group Control Unlimited Devices, Wireless Mini Contact Sensor for Smart Home Automation, Battery Powered, Supports Most Smart Products White $38.47

Door Window Sensor, Group Control Unlimited Devices, Wireless Mini Contact Sensor for Smart Home Automation, Battery Powered, Supports Most Smart Products White
current price $38.47

Door Window Sensor, Group Control Unlimited Devices, Wireless Mini Contact Sensor for Smart Home Automation, Battery Powered, Supports Most Smart Products White

Third Reality Zigbee Door and Window Contact Sensor with Build-in Zigbee Hub $19.99

Third Reality Zigbee Door and Window Contact Sensor with Build-in Zigbee Hub
current price $19.99

Third Reality Zigbee Door and Window Contact Sensor with Build-in Zigbee Hub

5 out of 5 Stars. 1 reviews

TUO Cutlery, Contact Sensor with Matter $29.99

TUO Cutlery, Contact Sensor with Matter
current price $29.99

TUO Cutlery, Contact Sensor with Matter

5 out of 5 Stars. 1 reviews

axGear Smart WiFi Door Sensor Window Contacts Open and Close Detector $10.99

axGear Smart WiFi Door Sensor Window Contacts Open and Close Detector
current price $10.99

axGear Smart WiFi Door Sensor Window Contacts Open and Close Detector

3 out of 5 Stars. 2 reviews
Save with
Walmart Plus

2GIG Thin Window / Door Contact Sensor Wireless Alarm Narrow 3/4 wide 345 mhz $26.94

2GIG Thin Window / Door Contact Sensor Wireless Alarm Narrow 3/4 wide 345 mhz
current price $26.94

2GIG Thin Window / Door Contact Sensor Wireless Alarm Narrow 3/4 wide 345 mhz

Tuya Door Window Sensor Control Door Sensor Contact Sensor Magnetic Sensor Works Alexa ,Easy Install $33.60

Tuya Door Window Sensor Control Door Sensor Contact Sensor Magnetic Sensor Works Alexa ,Easy Install
current price $33.60

Tuya Door Window Sensor Control Door Sensor Contact Sensor Magnetic Sensor Works Alexa ,Easy Install

Greengate Cooper PPS-4 Indoor Contact Input Photosensor Motion Sensor Occupancy Detector, White $169.99

Greengate Cooper PPS-4 Indoor Contact Input Photosensor Motion Sensor Occupancy Detector, White
current price $169.99

Greengate Cooper PPS-4 Indoor Contact Input Photosensor Motion Sensor Occupancy Detector, White

Anti-thief Wireless Alarm Garage Door Magnetic Contacts Switch Sensor, Rolling Shutter Door Sensor for Home Store Security $16.64

Anti-thief Wireless Alarm Garage Door Magnetic Contacts Switch Sensor, Rolling Shutter Door Sensor for Home Store Security
current price $16.64

Anti-thief Wireless Alarm Garage Door Magnetic Contacts Switch Sensor, Rolling Shutter Door Sensor for Home Store Security

2Pairs Smart Door Sensor, WiFi Window Door Sensor Alarm, Contact Sensor for Home Security, Smart Home Automation $14.89

2Pairs Smart Door Sensor, WiFi Window Door Sensor Alarm, Contact Sensor for Home Security, Smart Home Automation
current price $14.89

2Pairs Smart Door Sensor, WiFi Window Door Sensor Alarm, Contact Sensor for Home Security, Smart Home Automation

3X 2.4GHz Wireless TTLOCK Door Sensor Door Contact Detection Open Close Status Works with TTLOCK App Smart Locks $26.65

3X 2.4GHz Wireless TTLOCK Door Sensor Door Contact Detection Open Close Status Works with TTLOCK App Smart Locks
current price $26.65

3X 2.4GHz Wireless TTLOCK Door Sensor Door Contact Detection Open Close Status Works with TTLOCK App Smart Locks

Wireless Smart Wi-Fi Door/Window Contact Sensor $29.99

Wireless Smart Wi-Fi Door/Window Contact Sensor
current price $29.99

Wireless Smart Wi-Fi Door/Window Contact Sensor

Tuya Smart Door Sensor Wireless WiFi Door Window Detector Smart Linkage Window Door Contact Sensor for Home Security $12.09

Tuya Smart Door Sensor Wireless WiFi Door Window Detector Smart Linkage Window Door Contact Sensor for Home Security
current price $12.09

Tuya Smart Door Sensor Wireless WiFi Door Window Detector Smart Linkage Window Door Contact Sensor for Home Security

2X 2.4GHz Wireless TTLOCK Door Sensor Door Contact Detection Open Close Status Works with TTLOCK App Smart Locks $18.90

2X 2.4GHz Wireless TTLOCK Door Sensor Door Contact Detection Open Close Status Works with TTLOCK App Smart Locks
current price $18.90

2X 2.4GHz Wireless TTLOCK Door Sensor Door Contact Detection Open Close Status Works with TTLOCK App Smart Locks

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

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)
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)

Save with
Walmart Plus

Aqara Zigbee Smart Door Window Sensor - Wireless Mini Contact Detector for Home Security, Compatible with Mijia Gateway, Apple HomeKit & Mijia App From $22.99

Aqara Zigbee Smart Door Window Sensor - Wireless Mini Contact Detector for Home Security, Compatible with Mijia Gateway, Apple HomeKit & Mijia App
Available in additional 4 options
Options
From$2299

Aqara Zigbee Smart Door Window Sensor - Wireless Mini Contact Detector for Home Security, Compatible with Mijia Gateway, Apple HomeKit & Mijia App

1 out of 5 Stars. 1 reviews

2.4GHz Wireless TTLOCK Door Sensor Door Contact Detection Open Close Status Works with TTLOCK App Smart Locks $11.57

2.4GHz Wireless TTLOCK Door Sensor Door Contact Detection Open Close Status Works with TTLOCK App Smart Locks
current price $11.57

2.4GHz Wireless TTLOCK Door Sensor Door Contact Detection Open Close Status Works with TTLOCK App Smart Locks

Uxcell Magnetic Reed Switch, 2 Pack NO NC Door Sensor Window Contact Switch, White $14.49

Uxcell Magnetic Reed Switch, 2 Pack NO NC Door Sensor Window Contact Switch, White
current price $14.49

Uxcell Magnetic Reed Switch, 2 Pack NO NC Door Sensor Window Contact Switch, White

Tuya Zigbee 3.0 Smart Contact Detectors Security Gate Door Window Sensor Transducer Smart Life Home(6PCS),6 x Smart Contact Detectors,White $26.89

Tuya Zigbee 3.0 Smart Contact Detectors Security Gate Door Window Sensor Transducer Smart Life Home(6PCS),6 x Smart Contact Detectors,White
current price $26.89

Tuya Zigbee 3.0 Smart Contact Detectors Security Gate Door Window Sensor Transducer Smart Life Home(6PCS),6 x Smart Contact Detectors,White

AMERTEER 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 $14.78

AMERTEER 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
current price $14.78

AMERTEER 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

2GIG-DW10-345 Thin Door Window Sensor Contact Switches GoControl 2pack $39.00

2GIG-DW10-345 Thin Door Window Sensor Contact Switches GoControl 2pack
current price $39.00

2GIG-DW10-345 Thin Door Window Sensor Contact Switches GoControl 2pack

Uxcell Magnetic Reed Switch, 10 Pack NO NC Ring Alarm Contact Sensor Switch, Brown $36.44

Uxcell Magnetic Reed Switch, 10 Pack NO NC Ring Alarm Contact Sensor Switch, Brown
current price $36.44

Uxcell Magnetic Reed Switch, 10 Pack NO NC Ring Alarm Contact Sensor Switch, Brown

2.4GHz Wireless TTLOCK Door Sensor Door Contact Detection $12.03

2.4GHz Wireless TTLOCK Door Sensor Door Contact Detection
current price $12.03

2.4GHz Wireless TTLOCK Door Sensor Door Contact Detection

VEVOR Door Chime, DC 12V, Wireless Door Open Contact Sensor Alarm Chime with 656 ft Range, Remote Control with App, Doors Ringer Alert for Business, Store, Home, Office (6 Sensors + 1 Receiver) $55.98

VEVOR Door Chime, DC 12V, Wireless Door Open Contact Sensor Alarm Chime with 656 ft Range, Remote Control with App, Doors Ringer Alert for Business, Store, Home, Office (6 Sensors + 1 Receiver)
current price $55.98

VEVOR Door Chime, DC 12V, Wireless Door Open Contact Sensor Alarm Chime with 656 ft Range, Remote Control with App, Doors Ringer Alert for Business, Store, Home, Office (6 Sensors + 1 Receiver)

3 out of 5 Stars. 2 reviews

Zigbee Contact Sensor, Door and Window Monitor, Home Automation, Works with Home Assistant, SmartThings, Aeotec, Homey, Hubitat or Echo Devices with Build-in Zigbee Hub,hub Required

Zigbee Contact Sensor, Door and Window Monitor, Home Automation, Works with Home Assistant, SmartThings, Aeotec, Homey, Hubitat or Echo Devices with Build-in Zigbee Hub,hub Required

Zigbee Contact Sensor, Door and Window Monitor, Home Automation, Works with Home Assistant, SmartThings, Aeotec, Homey, Hubitat or Echo Devices with Build-in Zigbee Hub,hub Required

RC-36 NO Recessed Wired Door Contact Sensor Alarm Magnetic Reed Switch White $11.09

RC-36 NO Recessed Wired Door Contact Sensor Alarm Magnetic Reed Switch White
current price $11.09

RC-36 NO Recessed Wired Door Contact Sensor Alarm Magnetic Reed Switch White

RC-35 NC Recessed Wired Gate Contact Sensor Alarm Magnetic Reed Switch White $7.63

RC-35 NC Recessed Wired Gate Contact Sensor Alarm Magnetic Reed Switch White
current price $7.63

RC-35 NC Recessed Wired Gate Contact Sensor Alarm Magnetic Reed Switch White

2pcs RC-36 NC Recessed Wire Door Contact Sensor Alarm Magnetic Reed Switch Brown $9.49

2pcs RC-36 NC Recessed Wire Door Contact Sensor Alarm Magnetic Reed Switch Brown
current price $9.49

2pcs RC-36 NC Recessed Wire Door Contact Sensor Alarm Magnetic Reed Switch Brown

Wireless Door Window Contact Sensor App Remote Alarm TAPDRA Spare Part $20.47

Wireless Door Window Contact Sensor App Remote Alarm TAPDRA Spare Part
current price $20.47

Wireless Door Window Contact Sensor App Remote Alarm TAPDRA Spare Part

Wifi Door Open Closed Detectorstuya Window Sensor With App Notificationalert Contact Sensor For Home Security With Black Color

Wifi Door Open Closed Detectorstuya Window Sensor With App Notificationalert Contact Sensor For Home Security With Black Color

Wifi Door Open Closed Detectorstuya Window Sensor With App Notificationalert Contact Sensor For Home Security With Black Color

3 pcs Brown Wired Door Contacts Surface Mount NC Security Alarm Door Window Sensors. These Door Contact Position switches (DCS) Work with All Access Control and Burglar Alarm Systems $16.58

3 pcs Brown Wired Door Contacts Surface Mount NC Security Alarm Door Window Sensors. These Door Contact Position switches (DCS) Work with All Access Control and Burglar Alarm Systems
current price $16.58

3 pcs Brown Wired Door Contacts Surface Mount NC Security Alarm Door Window Sensors. These Door Contact Position switches (DCS) Work with All Access Control and Burglar Alarm Systems

Uxcell Magnetic Reed Switch, 4 Pack NC Ring Alarm Contact Sensor Switch, Brown $9.59

Uxcell Magnetic Reed Switch, 4 Pack NC Ring Alarm Contact Sensor Switch, Brown
current price $9.59

Uxcell Magnetic Reed Switch, 4 Pack NC Ring Alarm Contact Sensor Switch, Brown

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 $13.50

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
current price $13.50

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

Uxcell Magnetic Reed Switch, 10 Pack NC Door Sensor Window Contact Switch, Brown $21.99

Uxcell Magnetic Reed Switch, 10 Pack NC Door Sensor Window Contact Switch, Brown
current price $21.99

Uxcell Magnetic Reed Switch, 10 Pack NC Door Sensor Window Contact Switch, Brown

2GIG Encrypted Outdoor Wireless Contact Sensor $117.00

2GIG Encrypted Outdoor Wireless Contact Sensor
current price $117.00

2GIG Encrypted Outdoor Wireless Contact Sensor

RC-36 NO Recessed Wired Door Contact Sensor Alarm Magnetic Reed Switch Brown $9.99

RC-36 NO Recessed Wired Door Contact Sensor Alarm Magnetic Reed Switch Brown
current price $9.99

RC-36 NO Recessed Wired Door Contact Sensor Alarm Magnetic Reed Switch Brown

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