ElectronicsHome ImprovementAuto & TiresHealth and MedicineIndustrial & ScientificBeautyCell PhonesHousehold EssentialsVideo GamesParty & OccasionsJewelryBooksHomeMovies & TV ShowsMusicSports & OutdoorsToysPhoto CenterBabyPatio & GardenClothingPetsShop by SellerShop with PurposeArts Crafts & SewingMusical InstrumentsCharacter ShopShop by BrandServicesPersonalized GiftsPersonal CareOffice SuppliesSubscriptionsCollectiblesFeatureShop by Movie
Sort by|
ElectronicsHome ImprovementAuto & TiresHealth and MedicineIndustrial & ScientificBeautyCell PhonesHousehold EssentialsVideo GamesParty & OccasionsJewelryBooksHomeMovies & TV ShowsMusicSports & OutdoorsToysPhoto CenterBabyPatio & GardenClothingPetsShop by SellerShop with PurposeArts Crafts & SewingMusical InstrumentsCharacter ShopShop by BrandServicesPersonalized GiftsPersonal CareOffice SuppliesSubscriptionsCollectiblesFeatureShop by Movie
Sensing Device(239)
Uses item details. Price when purchased online
Briidea Power Return Alarm, Utility Power Back Alert for Generator, Siren & LED Indicator $29.99 Was $35.99
Sponsored
Now$2999
current price Now $29.99, Was $35.99$35.99
Briidea Power Return Alarm, Utility Power Back Alert for Generator, Siren & LED Indicator
65 out of 5 Stars. 6 reviews
Yolispa Multifunctional Wireless Driveway Alarm Outside Weatherproof Motion Sensor Alarm 1 Receiver 2 Transmitters with 38 Chimes 200m/656ft Transmission for Indoor Outdoor Use $23.55 Was $26.89
Sponsored
Now$2355
current price Now $23.55, Was $26.89$26.89
Yolispa Multifunctional Wireless Driveway Alarm Outside Weatherproof Motion Sensor Alarm 1 Receiver 2 Transmitters with 38 Chimes 200m/656ft Transmission for Indoor Outdoor Use
323.9 out of 5 Stars. 32 reviews
Best seller Yolispa Multifunctional Wireless Driveway Alarm Outside Weatherproof Motion Sensor Alarm 1 Receiver 2 Transmitters with 38 Chimes 200m/656ft Transmission for Indoor Outdoor Use $23.55 Was $26.89
Now$2355
current price Now $23.55, Was $26.89$26.89
Yolispa Multifunctional Wireless Driveway Alarm Outside Weatherproof Motion Sensor Alarm 1 Receiver 2 Transmitters with 38 Chimes 200m/656ft Transmission for Indoor Outdoor Use
323.9 out of 5 Stars. 32 reviews
108dB Car Alarm System, Car Anti-Theft Vibration Sensor Alarm & Red Light, Wireless Remote Anti Theft Vehicle Device with Magnetic Install Design for RV, SUV, Truck $25.99
$2599
current price $25.99108dB Car Alarm System, Car Anti-Theft Vibration Sensor Alarm & Red Light, Wireless Remote Anti Theft Vehicle Device with Magnetic Install Design for RV, SUV, Truck
154.5 out of 5 Stars. 15 reviews
Cadorn 113dB Wireless Motorcycle Bike Security Alarm with Remote Control Vibration Sensing Anti-Theft Device for Motorcycles, Bikes & Scooters $9.99 Was $21.98
Now$999
current price Now $9.99, Was $21.98$21.98
Cadorn 113dB Wireless Motorcycle Bike Security Alarm with Remote Control Vibration Sensing Anti-Theft Device for Motorcycles, Bikes & Scooters
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 $25.47
$2547
current price $25.47M Buder Smart Wireless Human Body Motion Sensor with Light Intensity Detector, 360-Degree Rotation Holder, 23 Feet Range, ZigBee Compatible for Indoor Home Security
Upgraded Version Bed Sensor Alarm and Fall Prevention for Elderly/Dementia and More,Caregiver Pager Motion Sensor Alarm with 5 Volume Level,Bed Alarm for Elderly Adults Wireless $29.99
$2999
current price $29.99Upgraded Version Bed Sensor Alarm and Fall Prevention for Elderly/Dementia and More,Caregiver Pager Motion Sensor Alarm with 5 Volume Level,Bed Alarm for Elderly Adults Wireless
11 out of 5 Stars. 1 reviews
WiFi Smart Motion Sensor Alarm Indoor Infrared PIR Detector Siren Tuya Smart APP Control Wireless Trigger Player Home Security $18.99
$1899
current price $18.99WiFi Smart Motion Sensor Alarm Indoor Infrared PIR Detector Siren Tuya Smart APP Control Wireless Trigger Player Home Security
24.5 out of 5 Stars. 2 reviews
Portable Mini Motion Detector Alarm + 120DB Ear-Piercing Siren + SOS LED Light, Hotel Door Room Security Device for Female Women Kids Life Safety While Travelling Alone 2-Pack $12.79
$1279
current price $12.79Portable Mini Motion Detector Alarm + 120DB Ear-Piercing Siren + SOS LED Light, Hotel Door Room Security Device for Female Women Kids Life Safety While Travelling Alone 2-Pack
24 out of 5 Stars. 2 reviews
Remote Control Infrared Motion Sensor Alarm, Home Security System with Two Controllers, Wireless Infrared Detection Device, Boxed Home Protection Alert Kit $7.99
$799
current price $7.99Remote Control Infrared Motion Sensor Alarm, Home Security System with Two Controllers, Wireless Infrared Detection Device, Boxed Home Protection Alert Kit
Reduced price X-Sense WiFi Water Leak Detector, No Hub Required, Leak & Freeze Sensor with App Alerts, Instant Notifications for Basement, Kitchen & Bathroom, 1-Pack From $12.99
4 options
Available in additional 4 optionsFrom$1299
X-Sense WiFi Water Leak Detector, No Hub Required, Leak & Freeze Sensor with App Alerts, Instant Notifications for Basement, Kitchen & Bathroom, 1-Pack
714.8 out of 5 Stars. 71 reviews
Clearance Driveway Alarm Wireless Outside Motion Sensor Alarm with Receiver Weatherproof Infrared Sensor, Indoor Home Security Business Alert System Detector(1Pcs) $13.67
$1367
current price $13.67Driveway Alarm Wireless Outside Motion Sensor Alarm with Receiver Weatherproof Infrared Sensor, Indoor Home Security Business Alert System Detector(1Pcs)
NFTIGB Single Beam Infrared Photocells Motion Detector For Door Gate Opener, 98.43ft Range 12-24V IP65 Outdoor Security Anti-Theft Sensor System, White
NFTIGB Single Beam Infrared Photocells Motion Detector For Door Gate Opener, 98.43ft Range 12-24V IP65 Outdoor Security Anti-Theft Sensor System, White
X-Sense Smart Mailbox Alarm, Wireless Long Range Mailbox Alert, Mailbox Sensor with SBS50 Base Station for Delivered Mail, SMA11 $39.99
$3999
current price $39.99X-Sense Smart Mailbox Alarm, Wireless Long Range Mailbox Alert, Mailbox Sensor with SBS50 Base Station for Delivered Mail, SMA11
55 out of 5 Stars. 5 reviews
Secure Safety Solutions Bed Alarm for Elderly Adults - 12x30 Sensor Pad, 120db Monitor - Fall Prevention for Dementia Patients, Seniors - Weight Sensing Pad Alerts Caregiver When They Get Up $47.99
$4799
current price $47.99Secure Safety Solutions Bed Alarm for Elderly Adults - 12x30 Sensor Pad, 120db Monitor - Fall Prevention for Dementia Patients, Seniors - Weight Sensing Pad Alerts Caregiver When They Get Up
84 out of 5 Stars. 8 reviews
Zigbee Motion Sensor Smart Motion Detector for Home Security Wireless Motion Sensor App Remote Monitor,1 * Human presence sensor,White $11.79
$1179
current price $11.79Zigbee Motion Sensor Smart Motion Detector for Home Security Wireless Motion Sensor App Remote Monitor,1 * Human presence sensor,White
M Buder Ultrasonic Ranging Sensor Low Power Consumption Stable Data Output Waterproof Distance Sensor 3.3-5V Module for Smart Home Robot Obstacle Avoidance Distance Measuring Detector (3.54in/9cm) $23.64
$2364
current price $23.64M Buder Ultrasonic Ranging Sensor Low Power Consumption Stable Data Output Waterproof Distance Sensor 3.3-5V Module for Smart Home Robot Obstacle Avoidance Distance Measuring Detector (3.54in/9cm)
AEVXKHI Metal Detector, PP Metal Finder, Waterproof Metal Locator, Metal Sensing Device with Audible Light Vibration Alarm Modes, Metal Detector Portable Metal Finder for Factory $11.99
$1199
current price $11.99AEVXKHI Metal Detector, PP Metal Finder, Waterproof Metal Locator, Metal Sensing Device with Audible Light Vibration Alarm Modes, Metal Detector Portable Metal Finder for Factory
BIMZUC Intelligent Human Presence Sensor Motion Detector, 24GHz Microwave Radar Detection Device, Smart Home Security System with USB Cable, 2.0 inches / 5.08 cm, White $39.06
$3906
current price $39.06BIMZUC Intelligent Human Presence Sensor Motion Detector, 24GHz Microwave Radar Detection Device, Smart Home Security System with USB Cable, 2.0 inches / 5.08 cm, White
NFTIGB DC 5V-24V Infrared PIR Motion Sensor Switch Automatic Human Body Induction Light Detector Control Switch for Hallways Closets Corridors Bathrooms (1.0 x 1.4 inches / 2.6 x 3.6 cm, White) $24.02
$2402
current price $24.02NFTIGB DC 5V-24V Infrared PIR Motion Sensor Switch Automatic Human Body Induction Light Detector Control Switch for Hallways Closets Corridors Bathrooms (1.0 x 1.4 inches / 2.6 x 3.6 cm, White)
Water Flood Overflow Sensing Moisture Detector Turns Off HVAC Furnace, AC $46.25
$4625
current price $46.25Water Flood Overflow Sensing Moisture Detector Turns Off HVAC Furnace, AC
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 $42.69
$4269
current price $42.69Kangaroo Motion+Entry Sensor: Indoor Security Alarm for Doors & Windows, 20-Foot Range, 110 View, WiFi Real-Time Phone Alerts, Easy Peel-And-Stick Install
Suodoka Earthquake Detector Get Early Warning of Impending Quake Alarms Emergency Device Home Security Sensor Alarm System 8.66 inches / 22 cm White $37.97
$3797
current price $37.97Suodoka Earthquake Detector Get Early Warning of Impending Quake Alarms Emergency Device Home Security Sensor Alarm System 8.66 inches / 22 cm White
Riousery Smart PIR Motion Sensor App Support Infrared Induction 2.4Ghz Wide Angle Home Security Alarm for Bedroom Kitchen (3.94 inches / 10 cm) $23.52
$2352
current price $23.52Riousery Smart PIR Motion Sensor App Support Infrared Induction 2.4Ghz Wide Angle Home Security Alarm for Bedroom Kitchen (3.94 inches / 10 cm)
iMounTEK Ultrasonic Anti-barking Device Sonic Bark Deterrent with Max 26.2Feet Sensing with 3 3 Ultrasonic Frequency Levels $19.59
$1959
current price $19.59iMounTEK Ultrasonic Anti-barking Device Sonic Bark Deterrent with Max 26.2Feet Sensing with 3 3 Ultrasonic Frequency Levels
Best seller GREENCYCLE 1 Set (1 Sensor,1 Alarm,1 Remote Controller) Remote Wireless PIR Motion Detector Alert Multi-function Sensing Door Bell Gate Entry Welcome Chime Doorbell Burglar Security Alarm From $17.99
From$1799
GREENCYCLE 1 Set (1 Sensor,1 Alarm,1 Remote Controller) Remote Wireless PIR Motion Detector Alert Multi-function Sensing Door Bell Gate Entry Welcome Chime Doorbell Burglar Security Alarm
884.5 out of 5 Stars. 88 reviews
JIAHAOO Semiconductor Alcohol Sensing Device, Multi Regional Unit Mode, Daily Safety Screening Tool for Home and General Scenarios $18.92
$1892
current price $18.92JIAHAOO Semiconductor Alcohol Sensing Device, Multi Regional Unit Mode, Daily Safety Screening Tool for Home and General Scenarios
Flash Deal Vibeat Bluetooth Pulse Oximeter Blood Oxygen Monitor, for High Altitude Sports & Aviation, SpO2 HR Tracker, 1 Pack Silver with 2 AAA Batteries $13.99 Was $27.75
Now$1399
current price Now $13.99, Was $27.75$27.75
Vibeat Bluetooth Pulse Oximeter Blood Oxygen Monitor, for High Altitude Sports & Aviation, SpO2 HR Tracker, 1 Pack Silver with 2 AAA Batteries
18314.6 out of 5 Stars. 1831 reviews
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
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
154.3 out of 5 Stars. 15 reviews
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
Clearance Infrared Alarm Barrier, Home Security Detector, Door Window Alarm Sensor, Intrusion Detection Device, Single Beam Safety Alert Sensor for Household Anti-Theft System, 2.80.92 Inch 1 Piece,Black $13.79 Was $15.49
Now$1379
current price Now $13.79, Was $15.49$15.49
Infrared Alarm Barrier, Home Security Detector, Door Window Alarm Sensor, Intrusion Detection Device, Single Beam Safety Alert Sensor for Household Anti-Theft System, 2.80.92 Inch 1 Piece,Black
Clearance Driveway Alarm - Wireless Call Button for Seniors/Elderly at Home, Long Range Wireless Driveway Alarm Outdoor Weather Resistant Motion Sensor&, 1 Receiver and 2 SOS Buttons $13.70 Was $16.65
Now$1370
current price Now $13.70, Was $16.65$16.65
Driveway Alarm - Wireless Call Button for Seniors/Elderly at Home, Long Range Wireless Driveway Alarm Outdoor Weather Resistant Motion Sensor&, 1 Receiver and 2 SOS Buttons
XODO Motion Sensor, Smart Home Security Motion Detector with 360 Degree Detection, Easy Install, 2-Pack $19.99 $19.99/lb
$1999
current price $19.99$19.99/lb
XODO Motion Sensor, Smart Home Security Motion Detector with 360 Degree Detection, Easy Install, 2-Pack
113.3 out of 5 Stars. 11 reviews
Prociv Hidden Camera Detectors, Anti Spy Detector, Bug Detectors, GPS Tracker Detector Device to Detect Listening Devices for Office, Hotel, Travel and Car Black $14.99
$1499
current price $14.99Prociv Hidden Camera Detectors, Anti Spy Detector, Bug Detectors, GPS Tracker Detector Device to Detect Listening Devices for Office, Hotel, Travel and Car Black
133.2 out of 5 Stars. 13 reviews
Voice Recording Reminder Device, Keychain Alarm, Customizable Audio Reminder, Forgetfulness Preventer with Intelligent Sensing and Multi-Position Installation
Voice Recording Reminder Device, Keychain Alarm, Customizable Audio Reminder, Forgetfulness Preventer with Intelligent Sensing and Multi-Position Installation
4 In 1 Plug In Detector, 2026 Multifunctional Household Safety Alarm Sensor, Portable Smart Indoor Detection Device, for Home Office Indoor Security Monitoring
4 In 1 Plug In Detector, 2026 Multifunctional Household Safety Alarm Sensor, Portable Smart Indoor Detection Device, for Home Office Indoor Security Monitoring
Yajisi Wireless Motion Detector APP Control Alarm Function Linked PIR Motion Sensor for Living Room Bedroom Balcony White 7 inches / 17.78 cm Smart Household Security System Device $20.56
$2056
current price $20.56Yajisi Wireless Motion Detector APP Control Alarm Function Linked PIR Motion Sensor for Living Room Bedroom Balcony White 7 inches / 17.78 cm Smart Household Security System Device
Secure Safety Solutions Bed Exit Alarm for Elderly Adults - Caregiver Alert Monitor,12x30 Weight Sensing Pressure Pad - Fall Prevention for Seniors, Dementia Patients, Know When They Get Up $48.99
$4899
current price $48.99Secure Safety Solutions Bed Exit Alarm for Elderly Adults - Caregiver Alert Monitor,12x30 Weight Sensing Pressure Pad - Fall Prevention for Seniors, Dementia Patients, Know When They Get Up
53.4 out of 5 Stars. 5 reviews
3-in-1 Handheld EMF Radiation sensing device, Backlit electronic EMF Meter Matching EMF sensing device And EMF Meter For Home Paranormal Field Radiation Inspection $21.94
$2194
current price $21.943-in-1 Handheld EMF Radiation sensing device, Backlit electronic EMF Meter Matching EMF sensing device And EMF Meter For Home Paranormal Field Radiation Inspection
Popular in Sensing Device
Related Products
Hosmart Wireless Driveway Alarm 1/2 Mile Range Outdoor Motion Sensor Household Sensors & Alarm
Hosmart Wireless Driveway Alarm 1/2 Mile Range Outdoor Motion Sensor Household Sensors & Alarm$44.99current price $44.99Sensorswitch Motion Sensor,Outdoor,360 Degrees SBOR 10 ODP WH 0V
Sensorswitch Motion Sensor,Outdoor,360 Degrees SBOR 10 ODP WH 0V$255.61current price $255.61Rongsi Driveway Alarm,Wireless Home Security Driveway Alarm 1 Receiver and 1 PIR Motion Sensor Detector 1000 FT Range Extra Infrared Alarm System Kit
Rongsi Driveway Alarm,Wireless Home Security Driveway Alarm 1 Receiver and 1 PIR Motion Sensor Detector 1000 FT Range Extra Infrared Alarm System Kit$18.99current price $18.99Tuya Door Window Sensor Control Door Sensor Contact Sensor Magnetic Sensor Works Alexa ,Easy Install
Tuya Door Window Sensor Control Door Sensor Contact Sensor Magnetic Sensor Works Alexa ,Easy Install$38.77current price $38.77Yale AC-DC Sync Smart Home Alarm Accessory Door/Window Sensor App Control, for Securing Main Access Points, White
Yale AC-DC Sync Smart Home Alarm Accessory Door/Window Sensor App Control, for Securing Main Access Points, White$35.68current price $35.68BUNKER HILL Wireless Driveway Alarm Alert System Security Garage Intruder PIR Motion Sensor, White
BUNKER HILL Wireless Driveway Alarm Alert System Security Garage Intruder PIR Motion Sensor, White$39.99current price $39.99Driveway Patrol Alarm Wireless Motion Infrared Sensor Garage Secure
Driveway Patrol Alarm Wireless Motion Infrared Sensor Garage Secure$25.00current price $25.00TONAIN 90 dB, White Magnetic Household Sensors & Alarms
TONAIN 90 dB, White Magnetic Household Sensors & Alarms$4.48current price $4.48Driveway Alarm 656ft Wireless Driveway Alarm Outdoor Weather Resistant Motion Sensor-DIY Security Alert-Monitor with 38 Chimes for Indoor Outdoor Use
Driveway Alarm 656ft Wireless Driveway Alarm Outdoor Weather Resistant Motion Sensor-DIY Security Alert-Monitor with 38 Chimes for Indoor Outdoor Use$24.31current price $24.31Door/Window Sensor with External Contact Input
Door/Window Sensor with External Contact Input$31.99current price $31.99Directed Electronics DEI508DM Directed Install essentials Dual Zone Motion Sensor 508d
Directed Electronics DEI508DM Directed Install essentials Dual Zone Motion Sensor 508d$42.99current price $42.99Wireless Smart Door Sensor Ev1527 Encoding Format For Wireless GSM Home Security Alarm System Window Magnet Entry Sensor ,Easy Install
Wireless Smart Door Sensor Ev1527 Encoding Format For Wireless GSM Home Security Alarm System Window Magnet Entry Sensor ,Easy Install$70.08current price $70.08
