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Surveillance EquipmentAll CamerasAll Home AssistantsAll PhonesAll Security CamerasApple HomeKit Compatible DevicesCamera AccessoriesCell Phone AccessoriesComputer AccessoriesComputer MonitorsDesktop ComputersGeneral Electronic AccessoriesGoogleGoogle HomeGrades 6-12 ElectronicsHeadphonesHome Audio, Speakers & SoundbarsHome TheaterLaptop AccessoriesLaptopsNetworkingPC GamingPortable AudioRestored AutomotiveRestored HomeRestored PremiumRestored TechRestored ToolsSecurity CamerasSecurity Cameras and Security Camera SystemsShop all Headphones & SpeakersShop by BenefitShop by BrandShop by CompatibilityShop by RoomShop Cameras by TypeSmart Energy and LightingSmart Home Assistants, Controllers & HubsSmart SpeakersSurveillance CamerasWorks with AlexaWorks with Google Assistant
Room Sensor(413)
Uses item details. Price when purchased online
Room Alert 12S Proactive Environment Monitor – Built-in Temperature Sensor, Supports SSL/TLS, SNMP v3, App Alerts, Made in USA $779.00
Sponsored
$77900
current price $779.00Room Alert 12S Proactive Environment Monitor – Built-in Temperature Sensor, Supports SSL/TLS, SNMP v3, App Alerts, Made in USA
Vivnt Recessed Door Contact Sensor VS-DW2100-345 $17.95 Was $19.95
Sponsored
Now$1795
current price Now $17.95, Was $19.95$19.95
Vivnt Recessed Door Contact Sensor VS-DW2100-345
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Hosmart Wireless Driveway Alarm 1/2 Mile Range Outdoor Motion Sensor Household Sensors & Alarm From $34.99
Sponsored
From$3499
Hosmart Wireless Driveway Alarm 1/2 Mile Range Outdoor Motion Sensor Household Sensors & Alarm
914.5 out of 5 Stars. 91 reviews
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YoLink LoRa Smart Outdoor Motion Detector Sensor, Driveway Alert, Property Invasion/Tresspassing Detector, 1/4 Mile Open Air Range, Email/SMS/Push Alerts, Alexa, IFTTT, Home Assistant (Hub Required) From $35.59
Sponsored
From$3559
YoLink LoRa Smart Outdoor Motion Detector Sensor, Driveway Alert, Property Invasion/Tresspassing Detector, 1/4 Mile Open Air Range, Email/SMS/Push Alerts, Alexa, IFTTT, Home Assistant (Hub Required)
124.8 out of 5 Stars. 12 reviews
Ecobee EB-RSHM2PK-01 Decibel Rating 1 Maximum Range 1 Range White Household Sensors and Alarms Smart Sensor 2 Pieces 2 Pack $99.49
$9949
current price $99.49Ecobee EB-RSHM2PK-01 Decibel Rating 1 Maximum Range 1 Range White Household Sensors and Alarms Smart Sensor 2 Pieces 2 Pack
1914.3 out of 5 Stars. 191 reviews
4-Pack Zigbee Smart Temperature & Humidity Sensor for Indoor Monitoring - Wireless Room Sensor with App Alerts & Voice Control Compatibility $34.24
$3424
current price $34.244-Pack Zigbee Smart Temperature & Humidity Sensor for Indoor Monitoring - Wireless Room Sensor with App Alerts & Voice Control Compatibility
Honeywell Home Smart Room Sensor Designed for the T9 Series Thermostat $33.99 Was $39.99
Now$3399
current price Now $33.99, Was $39.99$39.99
Honeywell Home Smart Room Sensor Designed for the T9 Series Thermostat
253.9 out of 5 Stars. 25 reviews
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Room Alert Digital Active Power w/Temperature Sensor $119.00
$11900
current price $119.00Room Alert Digital Active Power w/Temperature Sensor
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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WNFJR Wireless Home Security System with 90dB Alarm, Magnetic Sensor for Doors and Windows - Easy Peel and Stick Installation for Homes, Apartments, Offices, Hotel Rooms, and Garages
WNFJR Wireless Home Security System with 90dB Alarm, Magnetic Sensor for Doors and Windows - Easy Peel and Stick Installation for Homes, Apartments, Offices, Hotel Rooms, and Garages
Door Alarm, AMIR Window Alarm Anti-Theft 125DB Door Alarm For Home Office Warehouse Shop Elderly Kids Security 6PCS From $21.99
Sponsored
From$2199
Door Alarm, AMIR Window Alarm Anti-Theft 125DB Door Alarm For Home Office Warehouse Shop Elderly Kids Security 6PCS
424.3 out of 5 Stars. 42 reviews
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Door Stopper Security Bar with Alarm, 2-in-1 Adjustable Door Knob Jammer & Sliding Door Bar, Black, 300 lbs of Force, by Guard Dog Security From $49.99
Sponsored
From$4999
Door Stopper Security Bar with Alarm, 2-in-1 Adjustable Door Knob Jammer & Sliding Door Bar, Black, 300 lbs of Force, by Guard Dog Security
484.6 out of 5 Stars. 48 reviews
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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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Room Alert 12S Proactive Environment Monitor Built-in Temperature Sensor, Supports SSL/TLS, SNMP v3, App Alerts, Made in USA $779.00
$77900
current price $779.00Room Alert 12S Proactive Environment Monitor Built-in Temperature Sensor, Supports SSL/TLS, SNMP v3, App Alerts, Made in USA
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
ENYOUNG Smart Home Temperature And Humidity Sensor High Accuracy 2.4GHZ Wireless Digital Hygrometer Indoor Room Thermometer with Blue LED Indicator and USB Cable Included For Everyday Use
ENYOUNG Smart Home Temperature And Humidity Sensor High Accuracy 2.4GHZ Wireless Digital Hygrometer Indoor Room Thermometer with Blue LED Indicator and USB Cable Included For Everyday Use
Best seller Door Window Alarm, Personal Security Window, Burglar Alarm, Home Security Wireless Magnetic Sensor Anti-Theft Alarm (8 Pcs) Home Alarm(Batteries not included) From $10.99
2 options
Available in additional 2 optionsFrom$1099
Door Window Alarm, Personal Security Window, Burglar Alarm, Home Security Wireless Magnetic Sensor Anti-Theft Alarm (8 Pcs) Home Alarm(Batteries not included)
2263.7 out of 5 Stars. 226 reviews
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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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Zerodis Wired Glass Break Detector Round Door Window Break-in Sensor Tamper Alarm System $13.08
$1308
current price $13.08Zerodis Wired Glass Break Detector Round Door Window Break-in Sensor Tamper Alarm System
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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
Best seller Driveway Alarm Wireless, Outdoor Motion Sensor Alarm with Motion Detector, Weatherproof Solar Driveway Alarm, 700 ft Range, 1 Receiver and 1 Sensor, Home Security System, Black $24.99 Was $39.99
Sponsored
Now$2499
current price Now $24.99, Was $39.99$39.99
Driveway Alarm Wireless, Outdoor Motion Sensor Alarm with Motion Detector, Weatherproof Solar Driveway Alarm, 700 ft Range, 1 Receiver and 1 Sensor, Home Security System, Black
1494.3 out of 5 Stars. 149 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
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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Philips Wiz Motion Sensor, White $23.69
$2369
current price $23.69Philips Wiz Motion Sensor, White
464.6 out of 5 Stars. 46 reviews
Lennox 22V25 - Smart Room Sensor Designed to Pair with the Lennox S40 & E40 Smart Thermostats $134.58
$13458
current price $134.58Lennox 22V25 - Smart Room Sensor Designed to Pair with the Lennox S40 & E40 Smart Thermostats
Riousery Smart Home Temperature And Humidity Sensor High Accuracy 2.4GHz Wireless Digital Hygrometer Indoor Thermometer with LED Indicator For Room 4.72 inches / 12 cm $23.38
$2338
current price $23.38Riousery Smart Home Temperature And Humidity Sensor High Accuracy 2.4GHz Wireless Digital Hygrometer Indoor Thermometer with LED Indicator For Room 4.72 inches / 12 cm
Upgraded Smart WiFi Motion Sensor Detector Alarm Indoor with Siren, Phone App, USB Power, Alert Recording, Scheduled Working Times - Infrared Motion Sensor Alarm for Home Garage $22.88
$2288
current price $22.88Upgraded Smart WiFi Motion Sensor Detector Alarm Indoor with Siren, Phone App, USB Power, Alert Recording, Scheduled Working Times - Infrared Motion Sensor Alarm for Home Garage
Emerson Sensi RS01-SG Room Sensor for Sensi Touch 2 - White $45.88
$4588
current price $45.88Emerson Sensi RS01-SG Room Sensor for Sensi Touch 2 - White
55 out of 5 Stars. 5 reviews
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Philips Hue Smart Motion Sensor, Hub Required $65.82
$6582
current price $65.82Philips Hue Smart Motion Sensor, Hub Required
44 out of 5 Stars. 4 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
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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TOPGREENER PIR Passive Infrared Motion Sensor Switch, Ambient Light Level Detector, No Neutral Required, 5A, 1500W, Occupancy Vacancy Modes, Ground Wire Required, Single Pole, TDOS5-JM, Black From $19.99
Sponsored
From$1999
TOPGREENER PIR Passive Infrared Motion Sensor Switch, Ambient Light Level Detector, No Neutral Required, 5A, 1500W, Occupancy Vacancy Modes, Ground Wire Required, Single Pole, TDOS5-JM, Black
52.6 out of 5 Stars. 5 reviews
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Sump Pump Alarm, Briidea Indoor/Outdoor High Water Septic Tank Alarm with 110dB Loud Alarm and Large LED Indicator, 10ft Level Float Switch, Ideal for Septic Sump Pump Pond Water Tank $69.99 Was $79.99
Sponsored
Now$6999
current price Now $69.99, Was $79.99$79.99
Sump Pump Alarm, Briidea Indoor/Outdoor High Water Septic Tank Alarm with 110dB Loud Alarm and Large LED Indicator, 10ft Level Float Switch, Ideal for Septic Sump Pump Pond Water Tank
24 out of 5 Stars. 2 reviews
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SensorPush HTP.xw Smart Temperature Sensor & Humidity Sensor - Thermometer, Barometer, & Hygrometer w/App Monitoring - Premium Heat Index, Barometric Pressure Gauge, Temperature and Humidity Monitor $102.00
$10200
current price $102.00SensorPush HTP.xw Smart Temperature Sensor & Humidity Sensor - Thermometer, Barometer, & Hygrometer w/App Monitoring - Premium Heat Index, Barometric Pressure Gauge, Temperature and Humidity Monitor
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SimpliSafe Smart Indoor Temperature Sensor, Wi-Fi Connected, Wireless - White $22.99
$2299
current price $22.99SimpliSafe Smart Indoor Temperature Sensor, Wi-Fi Connected, Wireless - White
Shelly Wave Door/Window White, Z-Wave Long Range Operated Sensor, Home Automation, Compatible with Alexa, Google Home, SmartThings & Home Assistant, Bulletproof Security, Lux & Tilt Angle Measurement $34.99
$3499
current price $34.99Shelly Wave Door/Window White, Z-Wave Long Range Operated Sensor, Home Automation, Compatible with Alexa, Google Home, SmartThings & Home Assistant, Bulletproof Security, Lux & Tilt Angle Measurement
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)
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
BOKYAN Smart WiFi Temperature And Humidity Sensor Wireless Digital Hygrometer Indoor Room Thermometer with LED Indicator for Home 12 inches / 30.5 cm $27.38
$2738
current price $27.38BOKYAN Smart WiFi Temperature And Humidity Sensor Wireless Digital Hygrometer Indoor Room Thermometer with LED Indicator for Home 12 inches / 30.5 cm
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
TOPGREENER Motion Sensor Switch with Ambient Light Level, Occupancy & Vacancy Modes, No Neutral Required, Ground Wire Required, 150W LED/CFL, Single Pole, TDOS5-JM-W-2PCS, White, 2 Pack From $19.99
From$1999
TOPGREENER Motion Sensor Switch with Ambient Light Level, Occupancy & Vacancy Modes, No Neutral Required, Ground Wire Required, 150W LED/CFL, Single Pole, TDOS5-JM-W-2PCS, White, 2 Pack
52.6 out of 5 Stars. 5 reviews
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Tuya WiFi Smart Vibration Sensor Motion Detection Real-Time Remote Monitor Alarm for Home Window Drawers $12.90
$1290
current price $12.90Tuya WiFi Smart Vibration Sensor Motion Detection Real-Time Remote Monitor Alarm for Home Window Drawers
M Buder Tuya WIFI Intelligent Home Wireless Temperature Sensor, Home Automation Scene System Compatible with Alexa, Remote Monitoring Alarm App Control, 2.52 inches / 64 mm[cite: 1] $23.44
![M Buder Tuya WIFI Intelligent Home Wireless Temperature Sensor, Home Automation Scene System Compatible with Alexa, Remote Monitoring Alarm App Control, 2.52 inches / 64 mm[cite: 1]](https://i5.walmartimages.com/seo/M-Buder-Tuya-WIFI-Intelligent-Home-Wireless-Temperature-Sensor-Home-Automation-Scene-System-Compatible-Alexa-Remote-Monitoring-Alarm-App-Control-2-52_171159c3-6955-4d92-8aff-3c16b214e79b.6eb5bbd892a8e5a6b7a3e32000256953.jpeg?odnHeight=576&odnWidth=576&odnBg=FFFFFF)
$2344
current price $23.44M Buder Tuya WIFI Intelligent Home Wireless Temperature Sensor, Home Automation Scene System Compatible with Alexa, Remote Monitoring Alarm App Control, 2.52 inches / 64 mm[cite: 1]
Wsdcam Door and Window Alarm Wireless Home Security Alarm System Magnetic Alarm Sensor 110dB 4-in-1 Alarms 10 Pack $39.99
$3999
current price $39.99Wsdcam Door and Window Alarm Wireless Home Security Alarm System Magnetic Alarm Sensor 110dB 4-in-1 Alarms 10 Pack
23 out of 5 Stars. 2 reviews
SimpliSafe 4 Pack Entry Sensor ES3 Door Window Protection Magnetic Home Security System $41.00
$4100
current price $41.00SimpliSafe 4 Pack Entry Sensor ES3 Door Window Protection Magnetic Home Security System
23.5 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 $31.95
$3195
current price $31.95Eve Door & Window (Matter) Smart contact sensor for doors & windows, open/closed state, automatic control of accessories, notifications, Thread
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Door Alarm Door Chime, Window Alarm Sensors for Home Security Kids Safety, Door Open Alarm Contact Theft for Child Safety/Home/Office/Apartment 1 $13.99
$1399
current price $13.99Door Alarm Door Chime, Window Alarm Sensors for Home Security Kids Safety, Door Open Alarm Contact Theft for Child Safety/Home/Office/Apartment 1
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
Aeotec aerQ Temperature & Humidity Sensor: Smart Home Environmental Monitor $33.99
$3399
current price $33.99Aeotec aerQ Temperature & Humidity Sensor: Smart Home Environmental Monitor
14 out of 5 Stars. 1 reviews
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Honeywell Home PROSIXMINI ProSeries Wireless Mini Door / Window Sensor $40.99
$4099
current price $40.99Honeywell Home PROSIXMINI ProSeries Wireless Mini Door / Window Sensor
Security Window & Door Alarm Sensors(no Sound), Wireless Connection Tuya App2.4G , Not 5G, Burglar Alarm for Kids Safety Home Security,1 Pack, FJ122-H14 $18.94
$1894
current price $18.94Security Window & Door Alarm Sensors(no Sound), Wireless Connection Tuya App2.4G , Not 5G, Burglar Alarm for Kids Safety Home Security,1 Pack, FJ122-H14
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