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Surveillance EquipmentApple HomeKit Compatible DevicesCell Phone AccessoriesComputer AccessoriesComputer MonitorsDesktop ComputersGeneral Electronic AccessoriesGoogleGrades 6-12 ElectronicsHeadphonesHome Audio, Speakers & SoundbarsiPad & TabletsLaptop AccessoriesLaptopsNetworkingPC GamingRestored AutomotiveRestored HomeRestored PremiumRestored TechSecurity Cameras and Security Camera SystemsShop all Headphones & SpeakersShop by BenefitShop by CompatibilityShop by RoomSmart Energy and LightingSmart Home Assistants, Controllers & HubsTablet AccessoriesTV AccessoriesWorks with Google Assistant
Bluetooth Sensor(96)
Uses item details. Price when purchased online
Smart Mini WiFi Bluetooth Temperature and Humidity Sensor Indoor Wireless Sensor with App Control
Smart Mini WiFi Bluetooth Temperature and Humidity Sensor Indoor Wireless Sensor with App Control
Shelly BLU Bluetooth Smart Home Automation Tilt Angle Luminosity Battery Door Window Sensor $19.99
$1999
current price $19.99Shelly BLU Bluetooth Smart Home Automation Tilt Angle Luminosity Battery Door Window Sensor
93.9 out of 5 Stars. 9 reviews
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)
1254.1 out of 5 Stars. 125 reviews
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WiFi Bluetooth Temperature & Humidity Sensor - Wireless Indoor Climate Monitor with App Alerts
WiFi Bluetooth Temperature & Humidity Sensor - Wireless Indoor Climate Monitor with App Alerts
Nieyigj Smart Door Window Sensor Low Power Bluetooth 5.0 Wireless Home Security System and Automation Alert Detector, Highly Accurate Real-Time Status Monitoring & Easy DIY Installation, 1 Pack White $19.30
$1930
current price $19.30Nieyigj Smart Door Window Sensor Low Power Bluetooth 5.0 Wireless Home Security System and Automation Alert Detector, Highly Accurate Real-Time Status Monitoring & Easy DIY Installation, 1 Pack White
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
RuuviTag Pro 3in1 Wireless Bluetooth Temperature, Air Humidity, and Motion Sensor IP67. Free app for Android/iOS. Made in Europe $57.90
$5790
current price $57.90RuuviTag Pro 3in1 Wireless Bluetooth Temperature, Air Humidity, and Motion Sensor IP67. Free app for Android/iOS. Made in Europe
45 out of 5 Stars. 4 reviews
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Echocheck 4024788 Bluetooth Compatible Propane Tank Sensor, Black - Case of 6 $210.35
$21035
current price $210.35Echocheck 4024788 Bluetooth Compatible Propane Tank Sensor, Black - Case of 6
194.3 out of 5 Stars. 19 reviews
M Buder Smart Wireless Human Body Motion Sensor with Light Intensity Detector, 360-Degree Rotation Holder, 23 Feet Range, ZigBee Compatible for Indoor Home Security $25.50
$2550
current price $25.50M Buder Smart Wireless Human Body Motion Sensor with Light Intensity Detector, 360-Degree Rotation Holder, 23 Feet Range, ZigBee Compatible for Indoor Home Security
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)
Battery Powered Bluetooth Occu $109.99
$10999
current price $109.99Battery Powered Bluetooth Occu
3PCS Mini Smart Bluetooth 5.0 Wireless Magnetic Window and Door Open Close Motion Contact Alarm Sensor BLE IoT Door Sensor for IoT System $54.00
$5400
current price $54.003PCS Mini Smart Bluetooth 5.0 Wireless Magnetic Window and Door Open Close Motion Contact Alarm Sensor BLE IoT Door Sensor for IoT System
Shelly Blu Motion | Bluetooth Motion & Lux Sensor | Home Automation | Bluetooth Gateway required | Compatible with Alexa & Google | Scene Activation | Range up to 9 meters $25.99
$2599
current price $25.99Shelly Blu Motion | Bluetooth Motion & Lux Sensor | Home Automation | Bluetooth Gateway required | Compatible with Alexa & Google | Scene Activation | Range up to 9 meters
124.4 out of 5 Stars. 12 reviews
Tuya Bluetooth Water Leak Detector, Smart WiFi Flood Safety Sensor, Wireless Water Level Alert, Suitable for Kitchen, Bathroom $39.90
$3990
current price $39.90Tuya Bluetooth Water Leak Detector, Smart WiFi Flood Safety Sensor, Wireless Water Level Alert, Suitable for Kitchen, Bathroom
Braeburn- 7490 BlueLink Smart Connect Wireless Remote Outdoor Sensor, Pack of 6 $75.97
$7597
current price $75.97Braeburn- 7490 BlueLink Smart Connect Wireless Remote Outdoor Sensor, Pack of 6
Aqara Zigbee Smart Door Window Sensor - Wireless Mini Contact Detector for Home Security, Compatible with Mijia Gateway, Apple HomeKit & Mijia App From $22.53
4 options
Available in additional 4 optionsFrom$2253
Aqara Zigbee Smart Door Window Sensor - Wireless Mini Contact Detector for Home Security, Compatible with Mijia Gateway, Apple HomeKit & Mijia App
11 out of 5 Stars. 1 reviews
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
$2499
current price $24.99YOLINK 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)
44 out of 5 Stars. 4 reviews
3PCS MSL01 Smart Portable Water Leak Alarm Sensor Detection Device Wireless Bluetooth Water-Leak Detector $66.00
$6600
current price $66.003PCS MSL01 Smart Portable Water Leak Alarm Sensor Detection Device Wireless Bluetooth Water-Leak Detector
YAHHU WIFI Door Sensor Tuya APP Control Door Window Opening Security Alarm Sensor Magnetic Switch Wireless Detector Compatible with Alexa Google Home IFTTT ABS Material 3.74 inches / 9.5 cm $19.77
$1977
current price $19.77YAHHU WIFI Door Sensor Tuya APP Control Door Window Opening Security Alarm Sensor Magnetic Switch Wireless Detector Compatible with Alexa Google Home IFTTT ABS Material 3.74 inches / 9.5 cm
3PCS MINEW S4 Smart Bluetooth 5.0 Door Sensor Wireless Magnetic Window and Door Open Close Motion Contact Alarm Sensor BLE IoT for IoT System $54.00
$5400
current price $54.003PCS MINEW S4 Smart Bluetooth 5.0 Door Sensor Wireless Magnetic Window and Door Open Close Motion Contact Alarm Sensor BLE IoT for IoT System
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 $16.99
6 options
Available in additional 6 optionsFrom$1699
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
364.6 out of 5 Stars. 36 reviews
Human Presence Sensor Light Switch Bluetooth Millimeter Wave Presence Sensor Smart Motion Sensor Light Switch B $19.65
$1965
current price $19.65Human Presence Sensor Light Switch Bluetooth Millimeter Wave Presence Sensor Smart Motion Sensor Light Switch B
Window Intercom High Power Bluetooth Multi-Function Loudspeaker Infrared Sensor for Hospital Construction Site Shopping $52.63
$5263
current price $52.63Window Intercom High Power Bluetooth Multi-Function Loudspeaker Infrared Sensor for Hospital Construction Site Shopping
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
Now$1350
current price Now $13.50, Was $15.00$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
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
$1455
current price $14.55BIMZUC 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)
Smart Home Security Alarm System, QQZ WiFi Door Sensor with Remote Alerts, Real-Time Mobile Notifications for Doors Windows via SmartLife App $16.79
$1679
current price $16.79Smart Home Security Alarm System, QQZ WiFi Door Sensor with Remote Alerts, Real-Time Mobile Notifications for Doors Windows via SmartLife App
yaaqii Smart Wireless Door Magnetic Sensor 433MHz for Home Security Burglar Alarm Kit $12.19
$1219
current price $12.19yaaqii Smart Wireless Door Magnetic Sensor 433MHz for Home Security Burglar Alarm Kit
WiFi Door Sensor That Alert Your Phone WiFi Window Sensor Tuya Door Opener Detector Wireless Smart Door Sensor Alarm for Home Security&Automation $25.80
$2580
current price $25.80WiFi Door Sensor That Alert Your Phone WiFi Window Sensor Tuya Door Opener Detector Wireless Smart Door Sensor Alarm for Home Security&Automation
Human Presence Sensor Light Switch Bluetooth Millimeter Wave Presence Sensor Smart Motion Sensor Light Switch A $19.65
$1965
current price $19.65Human Presence Sensor Light Switch Bluetooth Millimeter Wave Presence Sensor Smart Motion Sensor Light Switch A
3X 2.4GHz Wireless TTLOCK Door Sensor Door Contact Detection Open Close Status Works with TTLOCK App Smart Locks $32.03
$3203
current price $32.033X 2.4GHz Wireless TTLOCK Door Sensor Door Contact Detection Open Close Status Works with TTLOCK App Smart Locks
13 out of 5 Stars. 1 reviews
Tuya Smart Door Sensor Wireless WiFi Door Window Detector Smart Linkage Window Door Contact Sensor for Home Security $13.49
$1349
current price $13.49Tuya 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, Gate & Shed Door Sensor, Universal Contact-Closure Sensor, Email/SMS/Push Alerts, 1/4 Mile Open Air Range, Alexa, IFTTT, Home Assistant $45.99
$4599
current price $45.99YoLink 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
Tuya Smart WiFi Door Sensor Open / Close Detector App Notification, Compatible with Alexa, Google Assistant, No Need Hub $45.80
$4580
current price $45.80Tuya Smart WiFi Door Sensor Open / Close Detector App Notification, Compatible with Alexa, Google Assistant, No Need Hub
2X HLK-LD2410C 24G Human Presence Sensor Support BT Function App Radar Sensing Module FMCW Millimeter Wave Motion,2 x Sensor module 2 x line(Color is random, no specification is accepted),Blue $13.79
$1379
current price $13.792X HLK-LD2410C 24G Human Presence Sensor Support BT Function App Radar Sensing Module FMCW Millimeter Wave Motion,2 x Sensor module 2 x line(Color is random, no specification is accepted),Blue
Eve Water Guard - Connected Water Leak Detector $79.99 Was $94.81
Now$7999
current price Now $79.99, Was $94.81$94.81
Eve Water Guard - Connected Water Leak Detector
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Dengmore Small Appliances Tuya Smart WiFi or Bluetooth Solar Outdoor Human Body Infrared Alarm Outdoor Sound And Light Alarm $51.68
$5168
current price $51.68Dengmore Small Appliances Tuya Smart WiFi or Bluetooth Solar Outdoor Human Body Infrared Alarm Outdoor Sound And Light Alarm
2 Packs Smart WiFi Door Sensor Alarm System with Remote APP Alerts 10 Chimes DIY Security for Home Office Pet Safety 2.4GHz Wireless Expandable up to 100 Devices From $13.68
3 options
Available in additional 3 optionsFrom$1368
2 Packs Smart WiFi Door Sensor Alarm System with Remote APP Alerts 10 Chimes DIY Security for Home Office Pet Safety 2.4GHz Wireless Expandable up to 100 Devices
SensorPush HT1 Smart Temperature Sensor & Humidity Sensor - Thermometer & Hygrometer w/App Monitoring - Indoor/Outdoor Temperature and Humidity Monitor w/Heat Index for RV, Fridge & More $54.95
$5495
current price $54.95SensorPush HT1 Smart Temperature Sensor & Humidity Sensor - Thermometer & Hygrometer w/App Monitoring - Indoor/Outdoor Temperature and Humidity Monitor w/Heat Index for RV, Fridge & More
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Smart WiFi Door and Window Sensor Wireless Magnetic Contact with Real-Time App Alerts, Compatible Alexa, Google Home, IFTTT Home Security & Automation Monitor $25.99
$2599
current price $25.99Smart WiFi Door and Window Sensor Wireless Magnetic Contact with Real-Time App Alerts, Compatible Alexa, Google Home, IFTTT Home Security & Automation Monitor
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