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Surveillance EquipmentAll CamerasAll GPS DevicesAll Home AssistantsAll PhonesAll Security CamerasApple HomeKit Compatible DevicesArloComputer AccessoriesComputer MonitorsDesktop ComputersGeneral Electronic AccessoriesGoogleGoogle HomeGPS TrackersGrades 6-12 ElectronicsLaptop AccessoriesLaptopsNetworkingPC GamingPortable AudioRestored AutomotiveRestored HomeRestored PremiumRestored TechRestored ToolsSamsung SmartThings Compatible DevicesSecurity 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 CamerasTV AccessoriesWorks with AlexaWorks with Google Assistant
Smart Home Sensor(389)
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
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 $16.95
Sponsored
From$1695
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
324.6 out of 5 Stars. 32 reviews
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Driveway Alarm 656ft Wireless Driveway Alarm Outdoor Weather Resistant Motion Sensor-DIY Security Alert-Monitor with 38 Chimes for Indoor Outdoor Use $25.99
Sponsored
$2599
current price $25.99Driveway Alarm 656ft Wireless Driveway Alarm Outdoor Weather Resistant Motion Sensor-DIY Security Alert-Monitor with 38 Chimes for Indoor Outdoor Use
903.8 out of 5 Stars. 90 reviews
Hosmart Wireless Driveway Alarm 1/2 Mile Range Outdoor Motion Sensor Household Sensors & Alarm From $31.49
Sponsored
From$3149
Hosmart Wireless Driveway Alarm 1/2 Mile Range Outdoor Motion Sensor Household Sensors & Alarm
754.6 out of 5 Stars. 75 reviews
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Best seller Aeotec Smart Home SmartThings
Aeotec Smart Home SmartThings
514.2 out of 5 Stars. 51 reviews
YoLink LoRa 1/4 Wireless Range Smart Motion Sensors, Indoor Motion Detector, Alexa, IFTTT, Home Assistant, Movement Detector App Alerts Remote Monitor, 2 Pack, YoLink Regular Hub Included $69.99
$6999
current price $69.99YoLink LoRa 1/4 Wireless Range Smart Motion Sensors, Indoor Motion Detector, Alexa, IFTTT, Home Assistant, Movement Detector App Alerts Remote Monitor, 2 Pack, YoLink Regular Hub Included
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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
344.3 out of 5 Stars. 34 reviews
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MOBI Smart Home 2.4GHz WiFi Water Leak Sensor, Water Sensor, Water Detector Alarm; Water Leak & Flood Detector, Smart Notification App, Expand with Cameras & Smart Home Devices. Battery INCLUDED From $14.95
3 options
Available in additional 3 optionsFrom$1495
MOBI Smart Home 2.4GHz WiFi Water Leak Sensor, Water Sensor, Water Detector Alarm; Water Leak & Flood Detector, Smart Notification App, Expand with Cameras & Smart Home Devices. Battery INCLUDED
94.9 out of 5 Stars. 9 reviews
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XODO Smart Home Wireless Motion Sensor 2-Pack, Works with Google & Alexa $14.95
$1495
current price $14.95XODO Smart Home Wireless Motion Sensor 2-Pack, Works with Google & Alexa
21 out of 5 Stars. 2 reviews
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Merkury Innovations Smart Water & Flood Sensor, Requires 2.4 GHz Wi-Fi $14.99 Was $34.97
Now$1499
current price Now $14.99, Was $34.97$34.97
Merkury Innovations Smart Water & Flood Sensor, Requires 2.4 GHz Wi-Fi
314.2 out of 5 Stars. 31 reviews
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Hosmart HY001-1R+1S, 30ft Rechargeable Household Sensor & Alarm $42.99
Sponsored
$4299
current price $42.99Hosmart HY001-1R+1S, 30ft Rechargeable Household Sensor & Alarm
74.3 out of 5 Stars. 7 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)
114.8 out of 5 Stars. 11 reviews
Ecobee EB-RSHM2PK-01 Decibel Rating 1 Maximum Range 1 Range White Household Sensors and Alarms Smart Sensor 2 Pieces 2 Pack $89.00 Was $99.00
Now$8900
current price Now $89.00, Was $99.00$99.00
Ecobee EB-RSHM2PK-01 Decibel Rating 1 Maximum Range 1 Range White Household Sensors and Alarms Smart Sensor 2 Pieces 2 Pack
2024.3 out of 5 Stars. 202 reviews
WIFI Wireless Smart Magnetic Door Window Sensor Detector Alarm For Google Home $11.95
$1195
current price $11.95WIFI Wireless Smart Magnetic Door Window Sensor Detector Alarm For Google Home
33.7 out of 5 Stars. 3 reviews
YoLink Motion Sensor, 1/4 Mile World's Longest Range Smart Home Indoor Wireless Motion Detector Sensor From $23.99
From$2399
YoLink Motion Sensor, 1/4 Mile World's Longest Range Smart Home Indoor Wireless Motion Detector Sensor
114.4 out of 5 Stars. 11 reviews
Smart WiFi Door Sensor under $5! Yrmaups Smart WiFi Door Window Sensor, Wireless Entry Alarm with Real Time Notification, Home Security Sensor for Garage Shed, Compatible with Smart Life App
Smart WiFi Door Sensor under $5! Yrmaups Smart WiFi Door Window Sensor, Wireless Entry Alarm with Real Time Notification, Home Security Sensor for Garage Shed, Compatible with Smart Life App
Google Temp Sensor (1pk) 2nd Gen $38.98
$3898
current price $38.98Google Temp Sensor (1pk) 2nd Gen
174.7 out of 5 Stars. 17 reviews
2Pairs Smart Door Sensor, WiFi Window Door Sensor Alarm, Contact Sensor for Home Security, Smart Home Automation $14.90
$1490
current price $14.902Pairs 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 $19.99
$1999
current price $19.99Vivitar Smart Home Wi-Fi Door Sensor
12 out of 5 Stars. 1 reviews
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
SimpliSafe 4 Pack Entry Sensor ES3 Door Window Protection Magnetic Home Security System $42.35
Sponsored
$4235
current price $42.35SimpliSafe 4 Pack Entry Sensor ES3 Door Window Protection Magnetic Home Security System
Flash Deal Fixdono Natural Gas Detector, Digital Sound Warning Gas Detector, Natural Gas Leak Security Detection Detector, Alarm Monitor Plug-in Sensor for Home Kitchen Restaurant Hotel School Warehouse $15.99 Was $27.99
Sponsored
Now$1599
current price Now $15.99, Was $27.99$27.99
Fixdono Natural Gas Detector, Digital Sound Warning Gas Detector, Natural Gas Leak Security Detection Detector, Alarm Monitor Plug-in Sensor for Home Kitchen Restaurant Hotel School Warehouse
2464.3 out of 5 Stars. 246 reviews
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5X Tuya Zigbee PIR Motion Sensor Human Body Motion Sensor Smart Life Control Works with Home,5 x PIR Motion Sensor,White $23.89
$2389
current price $23.895X Tuya Zigbee PIR Motion Sensor Human Body Motion Sensor Smart Life Control Works with Home,5 x PIR Motion Sensor,White
XODO Motion Sensor 2-Pack - Smart Home Security, Works with Google & Alexa, Easy Install $19.99 $19.99/lb
$1999
current price $19.99$19.99/lb
XODO Motion Sensor 2-Pack - Smart Home Security, Works with Google & Alexa, Easy Install
44 out of 5 Stars. 4 reviews
Tuya Smart Temperature and Humidity Sensor WiFi APP Remote Monitor $9.87
$987
current price $9.87Tuya Smart Temperature and Humidity Sensor WiFi APP Remote Monitor
35 out of 5 Stars. 3 reviews
Tuya WiFi Door Sensor Window Sensor Smart Home Wireless Door Detector Door Open / Closed Alarm- System,1 set Tuya Door Window Sensor,White $10.22
$1022
current price $10.22Tuya WiFi Door Sensor Window Sensor Smart Home Wireless Door Detector Door Open / Closed Alarm- System,1 set Tuya Door Window Sensor,White
Tuya WiFi Human Presence Sensor Motion Sensor 24G Radar Detection Smart Home Remote Control Security Protect $19.40 Was $23.09
Now$1940
current price Now $19.40, Was $23.09$23.09
Tuya WiFi Human Presence Sensor Motion Sensor 24G Radar Detection Smart Home Remote Control Security Protect
Aqara Motion Sensor - ZigBee Wireless Smart Human Body Detector for Mijia, Mi Home, and Apple HomeKit | Smart Home Automation From $23.90
From$2390
Aqara Motion Sensor - ZigBee Wireless Smart Human Body Detector for Mijia, Mi Home, and Apple HomeKit | Smart Home Automation
WiFi Door and Window Sensors,Tuya Smart Alarm with Free Notification APP Control Home Security Alarm System, No Hub Required,Compatible with Alexa 4 $26.99
$2699
current price $26.99WiFi Door and Window Sensors,Tuya Smart Alarm with Free Notification APP Control Home Security Alarm System, No Hub Required,Compatible with Alexa 4
Wifi Human Presence Motion Sensor with Luminance/Distance Detection 5/110/220V Tuya Smart Life Home Automation $17.29
$1729
current price $17.29Wifi Human Presence Motion Sensor with Luminance/Distance Detection 5/110/220V Tuya Smart Life Home Automation
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 $27.99
Sponsored
$2799
current price $27.99Driveway 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
874.2 out of 5 Stars. 87 reviews
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Briidea LD-078 110dB, Switch Household Sensors & Alarms $66.49 Was $74.99
Sponsored
Now$6649
current price Now $66.49, Was $74.99$74.99
Briidea LD-078 110dB, Switch Household Sensors & Alarms
24 out of 5 Stars. 2 reviews
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Tuya WiFi Light Sensor Smart Home Illumination Sensor APP Linkage Control Brightness Detector Illumination Automation $16.97
$1697
current price $16.97Tuya WiFi Light Sensor Smart Home Illumination Sensor APP Linkage Control Brightness Detector Illumination Automation
Tuya Smart Temperature and Humidity Sensor Smart Home Sensor Smart Life APP Wireless Remote Monitor Intelligent Linkage Wireless ,Easy to Install $46.35
$4635
current price $46.35Tuya Smart Temperature and Humidity Sensor Smart Home Sensor Smart Life APP Wireless Remote Monitor Intelligent Linkage Wireless ,Easy to Install
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
Tuya ZigBee Light Sensor Smart Home Illumination APP Linkage Control Brightness Detector Automation $20.04
$2004
current price $20.04Tuya ZigBee Light Sensor Smart Home Illumination APP Linkage Control Brightness Detector Automation
Aqara Zigbee Smart Door Window Sensor - Wireless Mini Contact Detector for Home Security, Compatible with Mijia Gateway, HomeKit & Mijia App From $22.99
4 options
Available in additional 4 optionsFrom$2299
Aqara Zigbee Smart Door Window Sensor - Wireless Mini Contact Detector for Home Security, Compatible with Mijia Gateway, HomeKit & Mijia App
11 out of 5 Stars. 1 reviews
Tuya Wifi Smart Pir Motion Sensor Detector Movement Sensor Smart Life App Wireless-Home Automation System Via Alexa Googles Home Wi-Fi
Tuya Wifi Smart Pir Motion Sensor Detector Movement Sensor Smart Life App Wireless-Home Automation System Via Alexa Googles Home Wi-Fi
YoLink LoRa Smart Door & Window Sensor: Up to 1/4 Mile Open-Air Range, Door Left-Open Reminders, up to 5 Year Battery Life, Alexa, IFTTT, Home Assistant, Home Security From $16.95
6 options
Available in additional 6 optionsFrom$1695
YoLink LoRa Smart Door & Window Sensor: Up to 1/4 Mile Open-Air Range, Door Left-Open Reminders, up to 5 Year Battery Life, Alexa, IFTTT, Home Assistant, Home Security
324.6 out of 5 Stars. 32 reviews
WIFI Smart Door Sensor Window Detector Alarm Tuya APP for Home Lot, Smart Household Appliances
WIFI Smart Door Sensor Window Detector Alarm Tuya APP for Home Lot, Smart Household Appliances
Clearance Sgokeen Wireless Door Sensor Door Entry Chime, Door Open Alert with 600ft Range LED Indicators Receivers + Sensors Wireless Door Alarm,58 Ringtones Black From $13.98
From$1398
Sgokeen Wireless Door Sensor Door Entry Chime, Door Open Alert with 600ft Range LED Indicators Receivers + Sensors Wireless Door Alarm,58 Ringtones Black
914.2 out of 5 Stars. 91 reviews
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Tuya Smart Temperature and Humidity Sensor Smart Home Sensor Smart Life APP Wireless Remote Monitor Intelligent Linkage Wireless ,Save Energy $47.31
$4731
current price $47.31Tuya Smart Temperature and Humidity Sensor Smart Home Sensor Smart Life APP Wireless Remote Monitor Intelligent Linkage Wireless ,Save Energy
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
563.5 out of 5 Stars. 56 reviews
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Vivint dw12 window and door sensor $29.99
$2999
current price $29.99Vivint dw12 window and door sensor
25 out of 5 Stars. 2 reviews
2Pairs Smart Door Sensor, WiFi Window Door Sensor Alarm, Contact Sensor for Home Security, Smart Home Automation $13.99
$1399
current price $13.992Pairs Smart Door Sensor, WiFi Window Door Sensor Alarm, Contact Sensor for Home Security, Smart Home Automation
C by GE Wire-Free Motion Smart Sensor, Battery Powered Motion Sensor, Bluetooth, Ambient Light Detection, White, 1-Pack
C by GE Wire-Free Motion Smart Sensor, Battery Powered Motion Sensor, Bluetooth, Ambient Light Detection, White, 1-Pack
464.3 out of 5 Stars. 46 reviews
Tuya Smart WiFi Temperature Humidity Sensor Meter Smart Home Wireless Bluetooth-compatible Temperature Humidity Alarm Sensor by YFind $12.69
$1269
current price $12.69Tuya Smart WiFi Temperature Humidity Sensor Meter Smart Home Wireless Bluetooth-compatible Temperature Humidity Alarm Sensor by YFind
Philips Hue Smart Motion Sensor, Hub Required $58.25
$5825
current price $58.25Philips Hue Smart Motion Sensor, Hub Required
44 out of 5 Stars. 4 reviews
Clearance TOUMENY Smart WiFi Door Sensor, Wireless Window Entry Alarm for Home Security, Instant Phone Alerts for Doors Windows Garage Shed $11.19 Was $13.49
Now$1119
current price Now $11.19, Was $13.49$13.49
TOUMENY Smart WiFi Door Sensor, Wireless Window Entry Alarm for Home Security, Instant Phone Alerts for Doors Windows Garage Shed
Mmwave Radar Smart Human Presence Sensor Reliable Performance Energy Saving Easy Installation Smart Life Zigbee Tuya(B) $22.98
$2298
current price $22.98Mmwave Radar Smart Human Presence Sensor Reliable Performance Energy Saving Easy Installation Smart Life Zigbee Tuya(B)
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