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Surveillance EquipmentAll CamerasAll Home AssistantsAll PhonesAll Resold at WalmartAll Security CamerasApple HomeKit Compatible DevicesArloCell Phone AccessoriesComputer AccessoriesDesktop ComputersGoogleGrades 6-12 ElectronicsHeadphonesHome Audio, Speakers & SoundbarsLaptop AccessoriesLaptopsPortable AudioRestored PremiumRestored TechSecurity 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
Detect Sensor(458)
Uses item details. Price when purchased online
LETWESAF Portable Radar Perimeter Security Alarm, 24GHz Precise Millimeter-Wave Radar Camping Perimeter Alarm, 1/2 Mile Range, Wireless Rechargeable Motion Detector for Outdoor Camping RV Property $219.99
Sponsored
$21999
current price $219.99LETWESAF Portable Radar Perimeter Security Alarm, 24GHz Precise Millimeter-Wave Radar Camping Perimeter Alarm, 1/2 Mile Range, Wireless Rechargeable Motion Detector for Outdoor Camping RV Property
4.6 out of 5 stars
Somfy Eolis 3D WireFree RTS Wind Sensor (White) - Wireless Battery Powered Wind Sensor to Retract Retractable Awnings Based on Wind Generated Movements - #1816081 $239.95
Sponsored
$23995
current price $239.95Somfy Eolis 3D WireFree RTS Wind Sensor (White) - Wireless Battery Powered Wind Sensor to Retract Retractable Awnings Based on Wind Generated Movements - #1816081
Vivnt Recessed Door Contact Sensor VS-DW2100-345 $17.95
Sponsored
$1795
current price $17.95Vivnt Recessed Door Contact Sensor VS-DW2100-345
Shelly Flood Gen4 Wi-Fi, Zigbee & Matter Smart Flood Sensor with Bluetooth, Leak Detection Cable, Alexa, Google Home, Apple HomeKit $39.99
Sponsored
$3999
current price $39.99Shelly Flood Gen4 Wi-Fi, Zigbee & Matter Smart Flood Sensor with Bluetooth, Leak Detection Cable, Alexa, Google Home, Apple HomeKit
4.4 out of 5 stars
Deal , Geevon 2 Pack Water Leak Detectors for Home, 100dB Loud Water Sensor Alarm Leak Detectors with Drip Alert for Kitchen, Basements, Laundry Rooms, IP56 Waterproof(Battery Included) From $11.15
Deal
2 options
Available in additional 2 optionsFrom$1115
Geevon 2 Pack Water Leak Detectors for Home, 100dB Loud Water Sensor Alarm Leak Detectors with Drip Alert for Kitchen, Basements, Laundry Rooms, IP56 Waterproof(Battery Included)
4.5 out of 5 stars
GREENCYCLE 1PK Remote Control for Remote Wireless PIR Motion Detector Alert Multi-function Sensing Door Bell Gate Entry Welcome Chime Doorbell Burglar Security Alarm From $12.54
11 options
Available in additional 11 optionsFrom$1254
GREENCYCLE 1PK Remote Control for Remote Wireless PIR Motion Detector Alert Multi-function Sensing Door Bell Gate Entry Welcome Chime Doorbell Burglar Security Alarm
3 out of 5 stars
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 $31.99
Deal
Now$1599
current price Now $15.99, Was $31.99$31.99
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
4.4 out of 5 stars
Bitiwend, 16ft Black Motion Household Sensors & Alarms From $11.71
From$1171
Bitiwend, 16ft Black Motion Household Sensors & Alarms
4.1 out of 5 stars
Best seller, Ht Viik Bug Detector,Hidden Camera Detectors,Anti Spy Detector,GPS Detector,RF Detector Scanner Device for GPS Tracker Listening Device Camera Finder $30.88 Was $35.99
Best seller
Now$3088
current price Now $30.88, Was $35.99$35.99
Ht Viik Bug Detector,Hidden Camera Detectors,Anti Spy Detector,GPS Detector,RF Detector Scanner Device for GPS Tracker Listening Device Camera Finder
4.5 out of 5 stars
Deal, TIKBBRMG Hidden Camera Detector, Bug Anti Spy Finder GPS Detector,Tracker Device Wireless RF Signal Scanner,for Travel Office Hotels Home,5 Levels Sensitivity(Black) $15.20 Was $29.99
Deal
Now$1520
current price Now $15.20, Was $29.99$29.99
TIKBBRMG Hidden Camera Detector, Bug Anti Spy Finder GPS Detector,Tracker Device Wireless RF Signal Scanner,for Travel Office Hotels Home,5 Levels Sensitivity(Black)
3.4 out of 5 stars
ADT Blu Motion Sensor, Pet-Friendly Detector (Ignores Animals Under 85 lbs), 33-Ft Range, and Tamper Alerts, (Plan Required) $35.00
Sponsored
$3500
current price $35.00ADT Blu Motion Sensor, Pet-Friendly Detector (Ignores Animals Under 85 lbs), 33-Ft Range, and Tamper Alerts, (Plan Required)
Dakota Alert Smart $289.99
Sponsored
$28999
current price $289.99Dakota Alert Smart
Online only, DICEEVIL Driveway Alarm, 656ft Wireless Driveway Alarm Outdoor Weather Resistant Motion Sensor- Security Alert-Monitor with 38 Chimes for Indoor Outdoor Use $27.99
Online only
$2799
current price $27.99DICEEVIL Driveway Alarm, 656ft Wireless Driveway Alarm Outdoor Weather Resistant Motion Sensor- Security Alert-Monitor with 38 Chimes for Indoor Outdoor Use
4.8 out of 5 stars
Best seller, Bitiwend Door Alarm Sensor Bitiwend Wireless Door Chime Alert for Kids Safety Home (1 Receiver+3 Sensors)
Best seller
Bitiwend Door Alarm Sensor Bitiwend Wireless Door Chime Alert for Kids Safety Home (1 Receiver+3 Sensors)
4 out of 5 stars
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 $11.99
Best seller
2 options
Available in additional 2 optionsFrom$1199
Door Window Alarm, Personal Security Window, Burglar Alarm, Home Security Wireless Magnetic Sensor Anti-Theft Alarm (8 Pcs) Home Alarm(Batteries not included)
3.7 out of 5 stars
Cobra RAD 490i Radar Detector with Apple CarPlay, Bluetooth Connectivity, Long Range Front & Rear Detection $169.95
$16995
current price $169.95Cobra RAD 490i Radar Detector with Apple CarPlay, Bluetooth Connectivity, Long Range Front & Rear Detection
4.6 out of 5 stars
Ecobee EB-RSHM2PK-01 Decibel Rating 1 Maximum Range 1 Range White Household Sensors and Alarms Smart Sensor 2 Pieces 2 Pack $74.99 Was $99.00
Now$7499
current price Now $74.99, 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
4.3 out of 5 stars
Zircon Leak Alert Electronic Water Detector, Flood Sensor, Battery Powered Alarm, 90 dB From $14.99
From$1499
Zircon Leak Alert Electronic Water Detector, Flood Sensor, Battery Powered Alarm, 90 dB
4.8 out of 5 stars
Plug in CO Monitor Detector with Digital Display Sound & Light for Home/Travel/Office1 PACK $16.99
$1699
current price $16.99Plug in CO Monitor Detector with Digital Display Sound & Light for Home/Travel/Office1 PACK
1/2 Mile Long Range Solar Wireless Driveway Alarm System IP65 Weatherproof Outdoor Motion Detectors&Sensor 120dB Siren Sound Light Security Alert System Monitor&Protect Outdoor/Indoor Property(1R2S) From $29.99
8 options
Available in additional 8 optionsFrom$2999
1/2 Mile Long Range Solar Wireless Driveway Alarm System IP65 Weatherproof Outdoor Motion Detectors&Sensor 120dB Siren Sound Light Security Alert System Monitor&Protect Outdoor/Indoor Property(1R2S)
4.5 out of 5 stars
Shelly BLU Motion ZB- Wireless Smart Motion and Light Sensor, Zigbee 3.0 & Bluetooth, White $26.99
Sponsored
$2699
current price $26.99Shelly BLU Motion ZB- Wireless Smart Motion and Light Sensor, Zigbee 3.0 & Bluetooth, White
Shelly BLU Door/Window ZB Smart Door & Window Sensor with Bluetooth 5.0, Zigbee 3.0, Tilt & Light Detection- White $22.99
Sponsored
$2299
current price $22.99Shelly BLU Door/Window ZB Smart Door & Window Sensor with Bluetooth 5.0, Zigbee 3.0, Tilt & Light Detection- White
Hidden Devices Detector, Camera Detector, Bug Detector,RF Detector,GPS Tracker/ Listening Device Detector, Infrared Camera Finder, Upgraded Version,Black $25.99
$2599
current price $25.99Hidden Devices Detector, Camera Detector, Bug Detector,RF Detector,GPS Tracker/ Listening Device Detector, Infrared Camera Finder, Upgraded Version,Black
4 out of 5 stars
Portable Motion Sensor Alarm And Entrance Alert Chime With 90dB Siren Sound $16.50
$1650
current price $16.50Portable Motion Sensor Alarm And Entrance Alert Chime With 90dB Siren Sound
4.1 out of 5 stars
Best seller, Sueriy Wireless Driveway Alarm Alert System Security Garage Intruder PIR Motion Sen Sor with 1 Receiver and 2 Transmitters for Home Outdoor Use $26.98
Best seller
$2698
current price $26.98Sueriy Wireless Driveway Alarm Alert System Security Garage Intruder PIR Motion Sen Sor with 1 Receiver and 2 Transmitters for Home Outdoor Use
4.5 out of 5 stars
Fdit Sensor ,USB/Battery Powered Motion Sensor Alarm MP3 Audio Player Infrared Induction, Infrared $15.39
$1539
current price $15.39Fdit Sensor ,USB/Battery Powered Motion Sensor Alarm MP3 Audio Player Infrared Induction, Infrared
Driveway Alarm 656ft Wireless Driveway Alarm Outdoor Weather Resistant Motion Sensor-DIY Security Alert-Monitor with 38 Chimes for Indoor Outdoor Use $24.99
$2499
current price $24.99Driveway Alarm 656ft Wireless Driveway Alarm Outdoor Weather Resistant Motion Sensor-DIY Security Alert-Monitor with 38 Chimes for Indoor Outdoor Use
3.8 out of 5 stars
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
1 out of 5 stars
LINKPAL Wireless Home Security Driveway Alarm, Motion Sensor Detect Alert with 2 PIR $18.98
$1898
current price $18.98LINKPAL Wireless Home Security Driveway Alarm, Motion Sensor Detect Alert with 2 PIR
4 out of 5 stars
Leak Puppy Electronic Water Alarm- Detects as Little as 1/32" of Water- Leak Detector Beeps When Battery is Low From $17.95
2 options
Available in additional 2 optionsFrom$1795
Leak Puppy Electronic Water Alarm- Detects as Little as 1/32" of Water- Leak Detector Beeps When Battery is Low
Shelly BLU Door/Window ZB Smart Door & Window Sensor with Bluetooth 5.0, Zigbee 3.0, Tilt & Light Detection- Black $22.99
Sponsored
$2299
current price $22.99Shelly BLU Door/Window ZB Smart Door & Window Sensor with Bluetooth 5.0, Zigbee 3.0, Tilt & Light Detection- Black
Smart Probe 4000 $299.99
Sponsored
$29999
current price $299.99Smart Probe 4000
Window Alarm, 10-Pack Wireless Window Door Entry Alarm Burglar Security Alarm Magnetic Sensor Ideal for Home, Garage, Apartment, Dorm, Office Was $19.40
Window Alarm, 10-Pack Wireless Window Door Entry Alarm Burglar Security Alarm Magnetic Sensor Ideal for Home, Garage, Apartment, Dorm, Office
4.4 out of 5 stars
Arlo All-in-One Sensor with 8 sensing functions for Home Security System MS1001-100NAS $29.99
$2999
current price $29.99Arlo All-in-One Sensor with 8 sensing functions for Home Security System MS1001-100NAS
4.3 out of 5 stars
Wsdcam Glass Break Sensor Alarm 125dB Wireless Detector Vibration for Window Door Security - 4 Pack
Wsdcam Glass Break Sensor Alarm 125dB Wireless Detector Vibration for Window Door Security - 4 Pack
4.3 out of 5 stars
Orbit B-Hyve Smart Flood, Leak Detector and Water Sensors, 3 Pack $34.39
$3439
current price $34.39Orbit B-Hyve Smart Flood, Leak Detector and Water Sensors, 3 Pack
4 out of 5 stars
CAZONER Natural Gas Detector & Propane Detector, 10-Year Lifespan, Gas Leak Sensor for LPG, LNG, Home Kitchen RV Methane & Propane Alarm, LCD Screen From $27.97
From$2797
CAZONER Natural Gas Detector & Propane Detector, 10-Year Lifespan, Gas Leak Sensor for LPG, LNG, Home Kitchen RV Methane & Propane Alarm, LCD Screen
4.4 out of 5 stars
Usbinx Life 129dB Motion-Detecting Strobe Alarm with Remote (IP65) $14.95 Was $16.99
Now$1495
current price Now $14.95, Was $16.99$16.99
Usbinx Life 129dB Motion-Detecting Strobe Alarm with Remote (IP65)
X-Sense WiFi Water Leak Detector, No Hub Required, Leak & Freeze Sensor with App Alerts, Instant Notifications for Basement, Kitchen & Bathroom, 1-Pack From $17.99
4 options
Available in additional 4 optionsFrom$1799
X-Sense WiFi Water Leak Detector, No Hub Required, Leak & Freeze Sensor with App Alerts, Instant Notifications for Basement, Kitchen & Bathroom, 1-Pack
4.7 out of 5 stars
Wireless Home Security Driveway Alarm, Motion Sensor Detect Alert, Store Door Entry Chime Doorbell with 1 PIR Motion Sensor Detectors and 1 Wireless Plug-in Receiver for Front Doors Window Frames $14.98
$1498
current price $14.98Wireless Home Security Driveway Alarm, Motion Sensor Detect Alert, Store Door Entry Chime Doorbell with 1 PIR Motion Sensor Detectors and 1 Wireless Plug-in Receiver for Front Doors Window Frames
4.4 out of 5 stars
Wsdcam Window Alarm Sensors 125dB Ultra-Slim Wireless Glass Break Detector Vibration Alarm 8 Pack
Wsdcam Window Alarm Sensors 125dB Ultra-Slim Wireless Glass Break Detector Vibration Alarm 8 Pack
BUNKER 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
eMACROS 500ft Range Security Sensors & Alarms, 2 Count
3 options
Available in additional 3 optionseMACROS 500ft Range Security Sensors & Alarms, 2 Count
GJX Driveway Alarm,387 Ft Long Range Wireless Driveway Alarm,Outdoor Weather Resistant Motion Detector Alarm with 1 Receiver and 2 Transmitters,Property Protection Alarm System for Home Security
GJX Driveway Alarm,387 Ft Long Range Wireless Driveway Alarm,Outdoor Weather Resistant Motion Detector Alarm with 1 Receiver and 2 Transmitters,Property Protection Alarm System for Home Security
New HC-SR501 Small PIR Sensor Module Pyroelectric Infrared Body Motion Sensing-1pc
New HC-SR501 Small PIR Sensor Module Pyroelectric Infrared Body Motion Sensing-1pc
GJX Driveway Security Alarm Outdoor Weather Resistant Motion Sensor Cute Owl Shape
GJX Driveway Security Alarm Outdoor Weather Resistant Motion Sensor Cute Owl Shape
Sabre Wireless Motion Detector Sensor System with Driveway Alert
Sabre Wireless Motion Detector Sensor System with Driveway Alert
Tuya Matter Thread Door Window Sensor - USB Powered Smart Home Alarm for Security & Automation
Tuya Matter Thread Door Window Sensor - USB Powered Smart Home Alarm for Security & Automation
KBOROVER Solar-powered alarm system, wireless motion sensor with digital display receiver, suitable for outdoor home security, waterproof and dustproof, single package.
KBOROVER Solar-powered alarm system, wireless motion sensor with digital display receiver, suitable for outdoor home security, waterproof and dustproof, single package.
PENDALI Driveway Alarm Wireless, Solar Outdoor Motion Sensor, Weatherproof 700 ft Long Range, 1 Receiver and 1 Sensor for Home, Yard, Gate and Farm
PENDALI Driveway Alarm Wireless, Solar Outdoor Motion Sensor, Weatherproof 700 ft Long Range, 1 Receiver and 1 Sensor for Home, Yard, Gate and Farm
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