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FaucetsMore Top BrandsSafety Equipment and GearAir QualityAir ToolsAlarm SystemsAll Home SecurityAll Renewable EnergyAll Tool SetsBathroom Cabinets & FixturesBathroom HardwareBathroom PlumbingBetter Homes & Gardens Home ImprovementBrackets and Angle IronsBreakers, Distributors, and Load CentersCar Emergency SuppliesCarbon Monoxide AlarmsCaulking & SealantsChains, Ropes and TiedownsCommercial LightingDehumidifiersDimmers, Switches, and Wall PlatesDoor HardwareDoor Security HardwareDoorbellsElectric MotorsElectrical ToolsElectrical Wire & CableElectronic Communication ComponentsEmergency SuppliesEmersonExtension CordsFastenersFire SafetyFireplacesFlashlightsFurniture HardwareGarage CabinetsGarage Door Openers and HardwareGarage LightsGarage Storage SystemsGate HardwareGatesGuttering & DrainageHand ToolsHardware KnobsHome SafetyHooksHVAC Ducting and VentilationInterconnect TerminalsKitchen Fixtures and MaterialsKitchen HardwareKitchen PlumbingLight BulbsLight TimersLocker LocksMailboxes and Mailbox AccessoriesMayfairMechanics ToolsMetal CuttingOutletsPadlocksPaint Supplies & ToolsPersonal PreparednessPersonal Protective EquipmentPersonal SafetyPipes, Fittings & AccessoriesPlug AdaptersPower Tool AccessoriesPower ToolsPower TransformersPro ToolsProtective Metal Working GearRoofingSafes & LockboxesSafety DetectorsSealants, Fillers and AdhesivesShop Plumbing BrandsShop Plumbing by FixtureSolar AccessoriesSolar Charge ControllerSolderingStep StoolsStorage ContainersStorm & Flood PrepSurveillanceTestersThermostatsTile Tools & MaterialsToilets and BidetsTool Equipment & StorageTOTOUtility Sinks & FaucetsValves & Valve RepairWall DecalsWater FiltersWater Filtration & Water SoftenersWater HeatersWater Heaters, Pumps & TanksWeatherproof CoversWildfire PrepWinter PrepWoodworking Tools

Sensor Contact

Uses item details. Price when purchased online

Best seller GREENCYCLE Wireless Door Open Sensor Chime, Door Entry Chime with Adjustable Volume, LED Flash, 48 Chimes, Nightlight Function, Magnetic Door Chime for Business Home Office Store, 2 Pack From $19.90

GREENCYCLE Wireless Door Open Sensor Chime, Door Entry Chime with Adjustable Volume, LED Flash, 48 Chimes, Nightlight Function, Magnetic Door Chime for Business Home Office Store, 2 Pack
Options
Sponsored
From$1990

GREENCYCLE Wireless Door Open Sensor Chime, Door Entry Chime with Adjustable Volume, LED Flash, 48 Chimes, Nightlight Function, Magnetic Door Chime for Business Home Office Store, 2 Pack

4.3 out of 5 Stars. 37 reviews
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Best seller TOPGREENER In-Wall PIR Motion Sensor Light Switch, Single Pole Occupancy Sensor Switch, Motion Sensor Switch, Need Neutral Wire, Wall Plate Included, On/Off Override, 4A, 500W, TSOS5-W, White, 2 Pack From $16.99

TOPGREENER In-Wall PIR Motion Sensor Light Switch, Single Pole Occupancy Sensor Switch, Motion Sensor Switch, Need Neutral Wire, Wall Plate Included, On/Off Override, 4A, 500W, TSOS5-W, White, 2 Pack
Options
Sponsored
From$1699

TOPGREENER In-Wall PIR Motion Sensor Light Switch, Single Pole Occupancy Sensor Switch, Motion Sensor Switch, Need Neutral Wire, Wall Plate Included, On/Off Override, 4A, 500W, TSOS5-W, White, 2 Pack

4.6 out of 5 Stars. 40 reviews
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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

VEVOR Door Chime, DC 12V, Wireless Door Open Contact Sensor Alarm Chime with 656 ft Range, 58 Chimes & 5 Adjustable Volume, Doors Ringer Alert for Business, Store, Home, Office When Entering $23.99

VEVOR Door Chime, DC 12V, Wireless Door Open Contact Sensor Alarm Chime with 656 ft Range, 58 Chimes & 5 Adjustable Volume, Doors Ringer Alert for Business, Store, Home, Office When Entering
Sponsored
current price $23.99

VEVOR Door Chime, DC 12V, Wireless Door Open Contact Sensor Alarm Chime with 656 ft Range, 58 Chimes & 5 Adjustable Volume, Doors Ringer Alert for Business, Store, Home, Office When Entering

Ring - Alarm Contact Sensor (2nd Gen) (6-Pack) - White $92.98

Ring - Alarm Contact Sensor (2nd Gen) (6-Pack) - White
current price $92.98

Ring - Alarm Contact Sensor (2nd Gen) (6-Pack) - White

4 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 $36.94 Was $43.95

Eve Door & Window (Matter) Smart contact sensor for doors & windows, open/closed state, automatic control of accessories, notifications, Thread
current price Now $36.94, Was $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

Surface Mount Wired NC Door Contact Sensor Alarm for Door Window Cabinets 10pcs $11.97

Surface Mount Wired NC Door Contact Sensor Alarm for Door Window Cabinets 10pcs
current price $11.97

Surface Mount Wired NC Door Contact Sensor Alarm for Door Window Cabinets 10pcs

2GIG DW30 Outdoor Wireless Contact Sensor $88.50

2GIG DW30 Outdoor Wireless Contact Sensor
current price $88.50

2GIG DW30 Outdoor Wireless Contact Sensor

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

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)

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Eve Door & Window (Matter) – Smart contact sensor for doors & windows, open/closed state, automatic control of accessories, notifications, Thread $36.94 Was $43.95

Eve Door & Window (Matter) – Smart contact sensor for doors & windows, open/closed state, automatic control of accessories, notifications, Thread
Sponsored
current price Now $36.94, Was $43.95

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

2.4GHz Wireless TTLOCK Door Sensor Contact Detection Open Close Status Works with App Smart Locks $13.00

2.4GHz Wireless TTLOCK Door Sensor Contact Detection Open Close Status Works with App Smart Locks
current price $13.00

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

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

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, 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

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
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Walmart Plus

2.4GHz Wireless TTLOCK Door Sensor Door Contact Detection $12.23

2.4GHz Wireless TTLOCK Door Sensor Door Contact Detection
current price $12.23

2.4GHz Wireless TTLOCK Door Sensor Door Contact Detection

Magnetic Door Switch,Magnetic Contacts Wired Window Magnetic Door Contact Sensor Detector Switch Normally Open/Closed $11.99

Magnetic Door Switch,Magnetic Contacts Wired Window Magnetic Door Contact Sensor Detector Switch Normally Open/Closed
current price $11.99

Magnetic Door Switch,Magnetic Contacts Wired Window Magnetic Door Contact Sensor Detector Switch Normally Open/Closed

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

LEPOWER Battery Powered LED Flood Light Outdoor,1500 LM, 5000 K, IP65 Waterproof, Wireless Flood Light Battery Operated, 3 Head Motion Detector Light for Garage, Yard, Porch, White From $35.99 Was $39.99

LEPOWER Battery Powered LED Flood Light Outdoor,1500 LM, 5000 K, IP65 Waterproof, Wireless Flood Light Battery Operated, 3 Head Motion Detector Light for Garage, Yard, Porch, White
Options
Sponsored
From$3599

LEPOWER Battery Powered LED Flood Light Outdoor,1500 LM, 5000 K, IP65 Waterproof, Wireless Flood Light Battery Operated, 3 Head Motion Detector Light for Garage, Yard, Porch, White

4.6 out of 5 Stars. 84 reviews
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Ring - Alarm Contact Sensor (2nd Gen) (6-Pack) - White $92.98

Ring - Alarm Contact Sensor (2nd Gen) (6-Pack) - White
Sponsored
current price $92.98

Ring - Alarm Contact Sensor (2nd Gen) (6-Pack) - White

4 out of 5 Stars. 2 reviews

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

Uxcell Wired Door Contact Sensor N.C. Surface Mount Magnetic Reed Switch Brown 3 Pair $11.99

Uxcell Wired Door Contact Sensor N.C. Surface Mount Magnetic Reed Switch Brown 3 Pair
current price $11.99

Uxcell Wired Door Contact Sensor N.C. Surface Mount Magnetic Reed Switch Brown 3 Pair

1 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 $7.99

1 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 $7.99

1 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

Zigbee Door and Window Sensor 3 Pack, Wireless Mini Contact Sensor, Home Automation, Requires Hub, Zigbee Connection, Kid Safety, Compatible with Apple HomeKit, Alexa, Works with IFTTT From $24.71

Zigbee Door and Window Sensor 3 Pack, Wireless Mini Contact Sensor, Home Automation, Requires Hub, Zigbee Connection, Kid Safety, Compatible with Apple HomeKit, Alexa, Works with IFTTT
Available in additional 2 options
Options
From$2471

Zigbee Door and Window Sensor 3 Pack, Wireless Mini Contact Sensor, Home Automation, Requires Hub, Zigbee Connection, Kid Safety, Compatible with Apple HomeKit, Alexa, Works with IFTTT

syligr Wireless Door Window Sensor Alarm Magnetic Contact Security System Home Intrusion Detector DIY Installation for House Apartment Safety and Garage Smart Home Security $11.49

syligr Wireless Door Window Sensor Alarm Magnetic Contact Security System Home Intrusion Detector DIY Installation for House Apartment Safety and Garage Smart Home Security
current price $11.49

syligr Wireless Door Window Sensor Alarm Magnetic Contact Security System Home Intrusion Detector DIY Installation for House Apartment Safety and Garage Smart Home Security

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

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

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

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
Sponsored
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

Reduced price Wansview 2K Solar Camera WiFi Outdoor Wireless with Spotligt, Waterproof, PIR Alert, Siren, Color Night Vision, Two-Way Audio, Works with Alexa $37.99 Was $42.99

Wansview 2K Solar Camera WiFi Outdoor Wireless with Spotligt, Waterproof, PIR Alert, Siren, Color Night Vision, Two-Way Audio, Works with Alexa
Sponsored
current price Now $37.99, Was $42.99

Wansview 2K Solar Camera WiFi Outdoor Wireless with Spotligt, Waterproof, PIR Alert, Siren, Color Night Vision, Two-Way Audio, Works with Alexa

4.3 out of 5 Stars. 71 reviews
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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

American Lighting SPKPL-SNS-CNTCT-WH Spektrum Plus Door & Window Contact Sensor, White $39.87 Was $52.17

American Lighting SPKPL-SNS-CNTCT-WH Spektrum Plus Door & Window Contact Sensor, White
current price Now $39.87, Was $52.17

American Lighting SPKPL-SNS-CNTCT-WH Spektrum Plus Door & Window Contact Sensor, White

2GIG Thin Window / Door Contact Sensor Wireless Alarm Narrow 3/4 wide 345 mhz $24.50

2GIG Thin Window / Door Contact Sensor Wireless Alarm Narrow 3/4 wide 345 mhz
current price $24.50

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

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

RC-35 NO Recessed Wired Gate Contact Sensor Alarm Magnetic Reed Switch White $9.36

RC-35 NO Recessed Wired Gate Contact Sensor Alarm Magnetic Reed Switch White
current price $9.36

RC-35 NO Recessed Wired Gate Contact Sensor Alarm Magnetic Reed Switch White

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)

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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 $34.56

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
current price $34.56

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

2.4GHz Wireless TTLOCK Door Sensor Door Contact Detection Open Close Status Works with TTLOCK App Smart Locks $12.01

2.4GHz Wireless TTLOCK Door Sensor Door Contact Detection Open Close Status Works with TTLOCK App Smart Locks
current price $12.01

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

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

Wireless Alarm Door and Window Contact Sensors, Smart Home Enabled, White $59.99

Wireless Alarm Door and Window Contact Sensors, Smart Home Enabled, White
current price $59.99

Wireless Alarm Door and Window Contact Sensors, Smart Home Enabled, White

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

1 pcs White 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 $8.30

1 pcs White 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 $8.30

1 pcs White 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

1 out of 5 Stars. 1 reviews

Wired-Magnetic Door Window Contact Sensor Waterproof Door Window Sensors Detector for Home Security Alarm System

Wired-Magnetic Door Window Contact Sensor Waterproof Door Window Sensors Detector for Home Security Alarm System
model:Normally closed, variant on Wired-Magnetic Door Window Contact Sensor Waterproof Door Window Sensors Detector for Home Security Alarm System
model:Normally open, variant on Wired-Magnetic Door Window Contact Sensor Waterproof Door Window Sensors Detector for Home Security Alarm System
Options

Wired-Magnetic Door Window Contact Sensor Waterproof Door Window Sensors Detector for Home Security Alarm System

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

4pcs RC-33 NO Recessed Wire Door Contact Sensor Alarm Magnetic Reed Switch White $17.29

4pcs RC-33 NO Recessed Wire Door Contact Sensor Alarm Magnetic Reed Switch White
current price $17.29

4pcs RC-33 NO Recessed Wire Door Contact Sensor Alarm Magnetic Reed Switch White

5819S Wireless Combination Magnetic Contact and Shock Sensor by Honeywell $46.99

5819S Wireless Combination Magnetic Contact and Shock Sensor by Honeywell
current price $46.99

5819S Wireless Combination Magnetic Contact and Shock Sensor by Honeywell

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Fosmon 1x Wireless Contact Sensor Door Alarm For Home Security, Elderly, Kids, With 1x Battery Operated Remote Control, On/Off Window Doorbell Chime When Opened And Emergency Alerts SOS Button $14.99

Fosmon 1x Wireless Contact Sensor Door Alarm For Home Security, Elderly, Kids, With 1x Battery Operated Remote Control, On/Off Window Doorbell Chime When Opened And Emergency Alerts SOS Button
current price $14.99

Fosmon 1x Wireless Contact Sensor Door Alarm For Home Security, Elderly, Kids, With 1x Battery Operated Remote Control, On/Off Window Doorbell Chime When Opened And Emergency Alerts SOS Button

4.5 out of 5 Stars. 20 reviews
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Tuya Smart Door Sensor Wireless WiFi Door Window Detector Smart Linkage Window Door Contact Sensor for Home Security,1 * Tuya Smart Door Sensor,White $12.19

Tuya Smart Door Sensor Wireless WiFi Door Window Detector Smart Linkage Window Door Contact Sensor for Home Security,1 * Tuya Smart Door Sensor,White
current price $12.19

Tuya Smart Door Sensor Wireless WiFi Door Window Detector Smart Linkage Window Door Contact Sensor for Home Security,1 * Tuya Smart Door Sensor,White

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