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Surveillance EquipmentPortable Tech5G WirelessAll CamcordersAll CamerasAll CanonAll DellAll Electronics Cleaning KitsAll GPS DevicesAll Home AssistantsAll Laptop ComputersAll PhonesAll Resold at WalmartAll Resold ElectronicsAll Security CamerasAll TabletsAndroid Smart WatchesAndroid TabletsAppleApple AccessoriesApple HomeKit Compatible DevicesApple iPadApple iPhoneApple MacBookApple WatchAudio Visual AccessoriesCamcorder AccessoriesCamera AccessoriesCamera Bundles and KitsCar GPSCell Phone AccessoriesComputer AccessoriesComputer ComponentsComputer MonitorsComputer ScannersCreator & Media LaptopsDellDesktop ComputersDrone AccessoriesDrones by BrandDrones by PriceDrones by Skill LevelDrones with CamerasEssential LaptopsFitbitFitness TrackersFitness Trackers AccessoriesFujifilmGarminGarmin GPSGarmin Smart WatchesGeneral Electronic AccessoriesGoogleGoogle Pixel WatchesGPS AccessoriesGPS TrackersGrades 6-12 ElectronicsGrades K-5 ElectronicsHeadphonesHeadsets & 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 AutomotiveResold Cell PhonesResold ElectronicsResold Garden & ToolsResold HomeResold Movies & MediaResold 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 Drones by TypeShop Laptops By BrandShop Laptops by TypeShop Tablets by Operating SystemShop Tablets by Screen SizeSmart Energy and LightingSmart GlassesSmart Health and FitnessSmart Home Assistants, Controllers & HubsSmart SpeakersSmart Watch AccessoriesSmart Watch CategoriesSmart WatchesStraight 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

Vivnt Recessed Door Contact Sensor VS-DW2100-345 $19.95

Vivnt Recessed Door Contact Sensor VS-DW2100-345
Sponsored
current price $19.95

Vivnt Recessed Door Contact Sensor VS-DW2100-345

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) $59.90

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 $59.90

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)

3.7 out of 5 Stars. 3 reviews

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)

Door Alarm, AMIR Anti-Theft 125DB Door Alarm Window Alarm For Home Office Warehouse Shop Elderly Kids Security 4PCS From $17.99

Door Alarm, AMIR Anti-Theft 125DB Door Alarm Window Alarm For Home Office Warehouse Shop Elderly Kids Security 4PCS
Options
Sponsored
From$1799

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

4.3 out of 5 Stars. 42 reviews

2Pairs Smart Door Sensor, WiFi Window Door Sensor Alarm, Contact Sensor for Home Security, Smart Home Automation $15.18

2Pairs Smart Door Sensor, WiFi Window Door Sensor Alarm, Contact Sensor for Home Security, Smart Home Automation
current price $15.18

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) Smart contact sensor for doors & windows, open/closed state, automatic control of accessories, notifications, Thread $31.95

Eve Door & Window (Matter) Smart contact sensor for doors & windows, open/closed state, automatic control of accessories, notifications, Thread
current price $31.95

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

Vivnt Recessed Door Contact Sensor VS-DW2100-345 $19.95

Vivnt Recessed Door Contact Sensor VS-DW2100-345
current price $19.95

Vivnt Recessed Door Contact Sensor VS-DW2100-345

Smart WiFi Door and Window Sensor, No Hub Required Wireless Contact Sensor with App Alerts, Compatible with Alexa & Google Assistant(White, Battery Not Included)

Smart WiFi Door and Window Sensor, No Hub Required Wireless Contact Sensor with App Alerts, Compatible with Alexa & Google Assistant(White, Battery Not Included)
Black, variant on Smart WiFi Door and Window Sensor, No Hub Required Wireless Contact Sensor with App Alerts, Compatible with Alexa & Google Assistant(White, Battery Not Included)
White, variant on Smart WiFi Door and Window Sensor, No Hub Required Wireless Contact Sensor with App Alerts, Compatible with Alexa & Google Assistant(White, Battery Not Included)
Options

Smart WiFi Door and Window Sensor, No Hub Required Wireless Contact Sensor with App Alerts, Compatible with Alexa & Google Assistant(White, Battery Not Included)

Third Reality Zigbee Door and Window Contact Sensor with Build-in Zigbee Hub $17.99 Was $19.99

Third Reality Zigbee Door and Window Contact Sensor with Build-in Zigbee Hub
current price Now $17.99, Was $19.99

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

5 out of 5 Stars. 1 reviews

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)

Smart PIR Motion Sensor: WiFi Motion Detector with App Notification Alerts, Wireless Contact Sensor for Home Security and Smart Home Automation, No Hub Required, Compatible with Alexa From $30.75

Smart PIR Motion Sensor: WiFi Motion Detector with App Notification Alerts, Wireless Contact Sensor for Home Security and Smart Home Automation, No Hub Required, Compatible with Alexa
1-Pack, variant on Smart PIR Motion Sensor: WiFi Motion Detector with App Notification Alerts, Wireless Contact Sensor for Home Security and Smart Home Automation, No Hub Required, Compatible with Alexa
2-Pack, variant on Smart PIR Motion Sensor: WiFi Motion Detector with App Notification Alerts, Wireless Contact Sensor for Home Security and Smart Home Automation, No Hub Required, Compatible with Alexa
3-Pack, variant on Smart PIR Motion Sensor: WiFi Motion Detector with App Notification Alerts, Wireless Contact Sensor for Home Security and Smart Home Automation, No Hub Required, Compatible with Alexa
4-Pack, variant on Smart PIR Motion Sensor: WiFi Motion Detector with App Notification Alerts, Wireless Contact Sensor for Home Security and Smart Home Automation, No Hub Required, Compatible with Alexa
Options
From$3075

Smart PIR Motion Sensor: WiFi Motion Detector with App Notification Alerts, Wireless Contact Sensor for Home Security and Smart Home Automation, No Hub Required, Compatible with Alexa

2GIG DW30 Outdoor Wireless Contact Sensor $88.50

2GIG DW30 Outdoor Wireless Contact Sensor
current price $88.50

2GIG DW30 Outdoor Wireless Contact Sensor

YOLINK LoRa Smart Outdoor Contact Sensor, Gate & Shed Door Sensor, Universal Contact-Closure Sensor, Email/SMS/Push Alerts, 1/4 Mile Range, Alexa, IFTTT, Home Assistant (Hub Required) $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, IFTTT, Home Assistant (Hub Required)
current price $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, IFTTT, Home Assistant (Hub Required)

4 out of 5 Stars. 4 reviews

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) $59.90

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 $59.90

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)

3.7 out of 5 Stars. 3 reviews

Recessed Door Contact Sensor - Vivint VS-DW2100-345 $26.94

Recessed Door Contact Sensor - Vivint VS-DW2100-345
current price $26.94

Recessed Door Contact Sensor - Vivint VS-DW2100-345

Eve Door & Window Wireless Contact Sensor (Matter, 3-Pack) - White $81.79 Was $93.99

Eve Door & Window Wireless Contact Sensor (Matter, 3-Pack) - White
current price Now $81.79, Was $93.99

Eve Door & Window Wireless Contact Sensor (Matter, 3-Pack) - White

2 out of 5 Stars. 1 reviews

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

Aqara Zigbee Smart Door Window Sensor - Wireless Mini Contact Detector for Home Security, Compatible with Mijia Gateway, HomeKit & Mijia App From $22.53

Aqara Zigbee Smart Door Window Sensor - Wireless Mini Contact Detector for Home Security, Compatible with Mijia Gateway, HomeKit & Mijia App
Available in additional 4 options
Options
From$2253

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

1 out of 5 Stars. 1 reviews

2X 2.4GHz Wireless TTLOCK Door Sensor Door Contact Detection Windows Open Close Status Works with TTLOCK App Smart Locks $20.44

2X 2.4GHz Wireless TTLOCK Door Sensor Door Contact Detection Windows Open Close Status Works with TTLOCK App Smart Locks
current price $20.44

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

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

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

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

2pcs RC-33 NC Recessed Wired Security Window Door Contact Sensor Alarm Magnetic Reed Switch White $9.49

2pcs RC-33 NC Recessed Wired Security Window Door Contact Sensor Alarm Magnetic Reed Switch White
current price $9.49

2pcs RC-33 NC Recessed Wired Security Window Door Contact Sensor Alarm Magnetic Reed Switch White

Heavy Duty Garage Door Security Alarm Switch Contact Sensor Industrial DSC Ademco $19.95

Heavy Duty Garage Door Security Alarm Switch Contact Sensor Industrial DSC Ademco
current price $19.95

Heavy Duty Garage Door Security Alarm Switch Contact Sensor Industrial DSC Ademco

Tuya Smart Door Sensor Wireless WiFi Door Window Detector Smart Linkage Window Door Contact Sensor for Home Security $13.49

Tuya Smart Door Sensor Wireless WiFi Door Window Detector Smart Linkage Window Door Contact Sensor for Home Security
current price $13.49

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

YoLink LoRa Smart Outdoor Contact Sensor & Hub Starter Kit: Hub, (2) Gate & Shed Door Sensors, Contact-Closure Sensor, Email/SMS/Push Alerts, 1/4 Mile Open Air Range, Alexa, IFTTT, Home Assistant

YoLink LoRa Smart Outdoor Contact Sensor & Hub Starter Kit: Hub, (2) Gate & Shed Door Sensors, Contact-Closure Sensor, Email/SMS/Push Alerts, 1/4 Mile Open Air Range, Alexa, IFTTT, Home Assistant

YoLink LoRa Smart Outdoor Contact Sensor & Hub Starter Kit: Hub, (2) Gate & Shed Door Sensors, Contact-Closure Sensor, Email/SMS/Push Alerts, 1/4 Mile Open Air Range, Alexa, IFTTT, Home Assistant

30pcs RC-33 NC Recessed Wired Door Contact Sensor Alarm Magnetic Reed Switch $36.09

30pcs RC-33 NC Recessed Wired Door Contact Sensor Alarm Magnetic Reed Switch
current price $36.09

30pcs RC-33 NC Recessed Wired Door Contact Sensor Alarm Magnetic Reed Switch

YoLink LoRa Smart Outdoor Contact Sensor & Hub Starter Kit, Gate & Shed Door Sensor, Universal Contact-Closure Sensor, Email/SMS/Push Alerts, 1/4 Mile Open Air Range, Alexa, IFTTT, Home Assistant $45.99

YoLink LoRa Smart Outdoor Contact Sensor & Hub Starter Kit, Gate & Shed Door Sensor, Universal Contact-Closure Sensor, Email/SMS/Push Alerts, 1/4 Mile Open Air Range, Alexa, IFTTT, Home Assistant
current price $45.99

YoLink LoRa Smart Outdoor Contact Sensor & Hub Starter Kit, Gate & Shed Door Sensor, Universal Contact-Closure Sensor, Email/SMS/Push Alerts, 1/4 Mile Open Air Range, Alexa, IFTTT, Home Assistant

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

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

2Packs/Set WiFi Door Sensor Detector Smart, Wireless Window Sensor Real-time Alarm Compatible, Home Security Door Open Contact Sensor for Bussiness Burglar Alert
Available in additional 2 options
Options
From$1399

2Packs/Set WiFi Door Sensor Detector Smart, Wireless Window Sensor Real-time Alarm Compatible, Home Security Door Open Contact Sensor for Bussiness Burglar Alert

3 out of 5 Stars. 2 reviews

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

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
current price $12.58

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

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

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

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
current price $74.77

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

Smart WiFi Door and Window Sensor Wireless Magnetic Contact with Real-Time App Alerts, Compatible Alexa, Google Home, IFTTT Home Security & Automation Monitor $24.99

Smart WiFi Door and Window Sensor Wireless Magnetic Contact with Real-Time App Alerts, Compatible Alexa, Google Home, IFTTT Home Security & Automation Monitor
current price $24.99

Smart WiFi Door and Window Sensor Wireless Magnetic Contact with Real-Time App Alerts, Compatible Alexa, Google Home, IFTTT Home Security & Automation Monitor

Reduced price 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 Was $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
current price Now $13.50, Was $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

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

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

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

HLONK 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 $15.35

HLONK 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 $15.35

HLONK 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

Anti-thief Wireless Alarm Garage Door Magnetic Contacts Switch Sensor, Rolling Shutter Door Sensor for Home Store Security $19.59

Anti-thief Wireless Alarm Garage Door Magnetic Contacts Switch Sensor, Rolling Shutter Door Sensor for Home Store Security
current price $19.59

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

1 Pack Wifi Door Sensor, Window Sensor, Window Sensor Real-Time Alarm, Compatible With Google, Home Security Door Opening Contact Sensor $15.99 Was $22.99

1 Pack Wifi Door Sensor, Window Sensor, Window Sensor Real-Time Alarm, Compatible With Google, Home Security Door Opening Contact Sensor
current price Now $15.99, Was $22.99

1 Pack Wifi Door Sensor, Window Sensor, Window Sensor Real-Time Alarm, Compatible With Google, Home Security Door Opening Contact Sensor

SenseGuard DW Gen2 SNZB-04PR2 Zigbee Door Window Contact Sensor, Open/Close Monitoring, Tamper Proof, Phone Alert, Home Security Alarm, Works with Alexa, Home Assistant & SmartThings, 4-Pack $68.23

SenseGuard DW Gen2 SNZB-04PR2 Zigbee Door Window Contact Sensor, Open/Close Monitoring, Tamper Proof, Phone Alert, Home Security Alarm, Works with Alexa, Home Assistant & SmartThings, 4-Pack
current price $68.23

SenseGuard DW Gen2 SNZB-04PR2 Zigbee Door Window Contact Sensor, Open/Close Monitoring, Tamper Proof, Phone Alert, Home Security Alarm, Works with Alexa, Home Assistant & SmartThings, 4-Pack

Honeywell Home 5800Mini Wireless Door/ Window Contact $34.99

Honeywell Home 5800Mini Wireless Door/ Window Contact
current price $34.99

Honeywell Home 5800Mini Wireless Door/ Window Contact

5 out of 5 Stars. 7 reviews

1 * Wireless Door / Window Sensor, Smart Life ZigBee Hub Wireless Door Window Contact Sensor App Remote Alarm $17.67

1 * Wireless Door / Window Sensor, Smart Life ZigBee Hub Wireless Door Window Contact Sensor App Remote Alarm
current price $17.67

1 * Wireless Door / Window Sensor, Smart Life ZigBee Hub Wireless Door Window Contact Sensor App Remote Alarm

BIMZUC Smart ZigBee Door and Window Sensor, Wireless Contact Monitor Alarm System with Real-Time APP Notifications, Requires ZigBee Hub for Smart Home Automation, White (1.97 in / 50 mm) $14.55

BIMZUC Smart ZigBee Door and Window Sensor, Wireless Contact Monitor Alarm System with Real-Time APP Notifications, Requires ZigBee Hub for Smart Home Automation, White (1.97 in / 50 mm)
current price $14.55

BIMZUC Smart ZigBee Door and Window Sensor, Wireless Contact Monitor Alarm System with Real-Time APP Notifications, Requires ZigBee Hub for Smart Home Automation, White (1.97 in / 50 mm)

1 Mini Brown Recessed Door Contacts NC Security Alarm Door Window Sensors With Magnetic Reed Switch. These Door Contacts DCS) Work with All Access Control and Burglar Alarm Systems $6.50

1 Mini Brown Recessed Door Contacts NC Security Alarm Door Window Sensors With Magnetic Reed Switch. These Door Contacts DCS) Work with All Access Control and Burglar Alarm Systems
current price $6.50

1 Mini Brown Recessed Door Contacts NC Security Alarm Door Window Sensors With Magnetic Reed Switch. These Door Contacts DCS) Work with All Access Control and Burglar Alarm Systems

5 out of 5 Stars. 1 reviews

2.4GHz Wireless TTLOCK Door Sensor Door Contact Detection Open Close Status Works with TTLOCK App Smart Locks $12.58

2.4GHz Wireless TTLOCK Door Sensor Door Contact Detection Open Close Status Works with TTLOCK App Smart Locks
current price $12.58

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

1 out of 5 Stars. 1 reviews

WiFi Door Window Sensor Alarm: Smart Door Sensor, Magnetic Contact Sensor Wireless for Home Security Burglar Alert, 90db Alarm & App Notification, Door Open Sensor Compatible with Alexa

WiFi Door Window Sensor Alarm: Smart Door Sensor, Magnetic Contact Sensor Wireless for Home Security Burglar Alert, 90db Alarm & App Notification, Door Open Sensor Compatible with Alexa

WiFi Door Window Sensor Alarm: Smart Door Sensor, Magnetic Contact Sensor Wireless for Home Security Burglar Alert, 90db Alarm & App Notification, Door Open Sensor Compatible with Alexa

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