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10 bestAlarm Sensorsof December 2025

112M consumers helped this year.

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18% off

eufy Security Water and Freeze Sensor with Remote Alerts, IP65 Waterproof, 2-Year Battery Life, HomeBase Required, Compatible with HomeBase S380 and S280, App Control
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19% off

1

Govee WiFi Water Sensor 3 Pack, Water Leak Detector 100dB Adjustable Alarm and App Alerts, Leak and Drip Alert with Email, Wireless Detector for Home(Support 2.4G WiFi, Not Support 5G WiFi)
Govee WiFi Water Sensor 3 Pack, Water Leak Detector 100dB Adjustable Alarm and App Alerts, Leak and Drip Alert with Email, Wireless Detector for Home(Support 2.4G WiFi, Not Support 5G WiFi)

Govee

9.8

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2

GoveeLife WiFi Water Ieak Detector 2 for Home, Smart Water Ieak Sensor 4 Pack with 100dB Adjustable Alarm and App Alerts, Wireless Detector, 1312 ft Transmission for Basement, Kitchen, Bathroom
GoveeLife WiFi Water Ieak Detector 2 for Home, Smart Water Ieak Sensor 4 Pack with 100dB Adjustable Alarm and App Alerts, Wireless Detector, 1312 ft Transmission for Basement, Kitchen, Bathroom

GoveeLife

9.6

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3

D-Link Wi-Fi Water Leak Sensor and Alarm Starter Kit w/ 2 Add-on Units, Whole Home System with App Notification, AC Powered, No Hub Required (DCH-S1622KT)
D-Link Wi-Fi Water Leak Sensor and Alarm Starter Kit w/ 2 Add-on Units, Whole Home System with App Notification, AC Powered, No Hub Required (DCH-S1622KT)

D-Link

9.4

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4

CPVAN Home Alarm System Wireless, DIY Smart Door/Window Alarm for Home Security, WiFi Alarm with Phone APP Alert 13 Pieces-Kit (Alarm Hub, 8 Door Sensors, 2 Remotes, 2 RFID Cards)
CPVAN Home Alarm System Wireless, DIY Smart Door/Window Alarm for Home Security, WiFi Alarm with Phone APP Alert 13 Pieces-Kit (Alarm Hub, 8 Door Sensors, 2 Remotes, 2 RFID Cards)

CPVAN

9.2

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5

Alarm System- 1/2 Mile Long Range Wireless Driveway Alarm Outdoor Weather Resistant Motion Sensor&Detector-DIY Security Alert System-Monitor&Protect Outdoor/Indoor Property - 1 Receiver and 2 Sensors
Alarm System- 1/2 Mile Long Range Wireless Driveway Alarm Outdoor Weather Resistant Motion Sensor&Detector-DIY Security Alert System-Monitor&Protect Outdoor/Indoor Property - 1 Receiver and 2 Sensors

HTZSAFE

9.0

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Related productsUp to 18% off

eufy Security Water and Freeze Sensor with Remote Alerts, IP65 Waterproof, 2-Year Battery Life, HomeBase Required, Compatible with HomeBase S380 and S280, App Control

eufy Security Water and Freeze Sensor with Remote Alerts, IP65 Waterproof, 2-Year Battery Life, HomeBase Required, Compatible with HomeBase S380 and S280, App Control

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Geevon 2 Pack Water Leak Detectors, 100dB Water Sensor Alarm Flood Detection Water Alarms for Basements, Bathrooms, Laundry Rooms, Kitchens, Garages, and Attics, Battery-Operated (Battery Included)

Geevon 2 Pack Water Leak Detectors, 100dB Water Sensor Alarm Flood Detection Water Alarms for Basements, Bathrooms, Laundry Rooms, Kitchens, Garages, and Attics, Battery-Operated (Battery Included)

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Wireless Motion Sensor Driveway Alarm, BITIWEND Motion Sensor Alarm 600FT Range Home Security Alert Monitor System, 1 Receiver&2 Weatherproof Infrared Motion Detectors Protect Indoor/Outdoor Property

Wireless Motion Sensor Driveway Alarm, BITIWEND Motion Sensor Alarm 600FT Range Home Security Alert Monitor System, 1 Receiver&2 Weatherproof Infrared Motion Detectors Protect Indoor/Outdoor Property

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Window Alarm 4 Packs - Loud 120dB Alarm and Vibration Sensors Compatible with Virtually Any Window - Glass Break Security Alarm Sensor- Low Battery LED Indicator

Window Alarm 4 Packs - Loud 120dB Alarm and Vibration Sensors Compatible with Virtually Any Window - Glass Break Security Alarm Sensor- Low Battery LED Indicator

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6

Driveway Alarm- 1/2 Mile Long Range Wireless Driveway Alarm Outdoor Weather Resistant Motion Sensor&Detector-Home&Office DIY Security Alert System-Monitor&Protect Outdoor/Indoor Property - 1 Receiver and 1 Sensor
Driveway Alarm- 1/2 Mile Long Range Wireless Driveway Alarm Outdoor Weather Resistant Motion Sensor&Detector-Home&Office DIY Security Alert System-Monitor&Protect Outdoor/Indoor Property - 1 Receiver and 1 Sensor

HTZSAFE

8.8

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7

Photoelectric Smoke Detector and Smoke Alarm Battery Operated, UL Listed Sensor Fire Alarms with Test Button for Home Depot Hotel School, 10 Year Smoke Detector 3 Pack
Photoelectric Smoke Detector and Smoke Alarm Battery Operated, UL Listed Sensor Fire Alarms with Test Button for Home Depot Hotel School, 10 Year Smoke Detector 3 Pack

wsdcam

8.5

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8

Smart Wireless Temperature/Humidity Sensor Wide Range (-22 to 158 Degrees) for Freezer Fridge Monitoring Pet Cage/Tank Monitoring Smartphone Alerts, Works with Alexa IFTTT, 2 Pack - Hub Included
Smart Wireless Temperature/Humidity Sensor Wide Range (-22 to 158 Degrees) for Freezer Fridge Monitoring Pet Cage/Tank Monitoring Smartphone Alerts, Works with Alexa IFTTT, 2 Pack - Hub Included

YoLink

8.2

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20% off

9

Govee Water Detectors 5 Pack, 100dB Adjustable Audio Alarm Sensor, Sensitive Leak and Drip Alert, for Kitchen Bathroom Basement (Battery Included)
Govee Water Detectors 5 Pack, 100dB Adjustable Audio Alarm Sensor, Sensitive Leak and Drip Alert, for Kitchen Bathroom Basement (Battery Included)

Govee

8.0

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10

GE Personal Security Window/Door Alarm, 5-Pack, DIY Home Protection, Burglar Alert, Magnetic Sensor, Off/Chime/Alarm, Easy Installation, Ideal for Home, Garage, Apartment, Dorm, RV and Office, 45987
GE Personal Security Window/Door Alarm, 5-Pack, DIY Home Protection, Burglar Alert, Magnetic Sensor, Off/Chime/Alarm, Easy Installation, Ideal for Home, Garage, Apartment, Dorm, RV and Office, 45987

GE

7.7

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