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Updated: 08 Oct 2025

10 Best Water Leak Sensors

#1
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YoLink Smart Home Starter Kit: Hub & Water Leak Sensor 4 with 105dB Audio Alarm 4-Pack, SMS/Text, Email & Push Notifications, Freeze Warning, LoRa Up to 1/4 Mile Open-Air Range, w/Alexa, IFTTT

Brand: YoLink
$154.17
⭐ 4.7
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    Comprehensive Leak Detection Kit: Get started with the YoLink Hub Leak Detection Starter Kit, featuring one hub and four Water Leak Sensor 4. The hub seamlessly connects via ethernet and/or 2.4GHz WiFi, offering an easy "Plug, Plug & Play" setup that has you up and running within minutes.
  • Effortless Installation: Experience hassle-free setup with the YoLink wireless Water Sensor. Simply place it near or under the equipment you want to monitor. Ideal for toilets, water heaters, laundry machines, dishwashers, sinks, fish tanks, sump pumps, and other potential water leak areas.
  • Unmatched Long Range: Powered by LoRa technology, our system provides an industry-leading receiving range of up to 1/4 mile. Perfect for challenging Wi-Fi environments like basements, outdoor areas, sheds, and remote outbuildings.
  • Powerful Audio Alert: Stay informed about potential leaks with the robust 105dB audio alarm of our water leak detector. React quickly to emergencies and safeguard your space from water damage.
  • Rugged Waterproof Design: With an impressive IP66 waterproof rating, our water leak detector is built to withstand various conditions.
  • Built-in Freeze Warning: Equipped with a low temperature sensor, the Yolink Water Leak Sensor not only detects leaks but also alerts you when the temperature drops to freezing levels, helping you prevent frozen pipes and potential damage during colder months.
  • Expand Your Smart Home: The YoLink Hub supports over 300 devices and is compatible with the entire range of YoLink smart products, from security and environmental monitoring to power, lighting, smart locks, and upcoming cameras.
  • Requirements Made Easy: All you need is an Android or Apple smartphone, an Ethernet connection with internet access, or a stable 2.4GHz WiFi connection. The app is free, offering 5 complimentary texts per device, with this kit providing 20 free SMS per month. Need more? Additional SMS options are available for $2 or $5 per month.
  • Long-Lasting Power: This kit includes eight replaceable AAA batteries that last for over 5 years, ensuring continuous protection.
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#2
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WiFi Water Leak Detector for Home with App Notification, 1 Gateway + 6 WD61 Sensor, 120dB Water Flood/Drip Alarm for Basement/Kitchen/Bathroom/Toilet/Laundry Room, Sink/Drain/Pipe/Faucet Leakage Alert

Brand: METAK
$120.37
⭐ 4.4
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    [APP Notification] When the water leak detector senses a leak, the 2.4GHz WiFi gateway instantly sends real-time alerts to your phone/tablet (requires TUYA Smart App, compatible with iOS/Android), keeping you informed no matter where you are.
  • [Drip & Flood Detection] Equipped with a top drip sensor and four bottom flood probes, the Water Leak Detector provides early alerts for drips and floor flooding. Ideal for leaks from faucet, roof, sink, bathtub, and washing machine.
  • [Connect 24 Sensors, Cover 328FT] The 2.4Ghz Wireless Gateway supports pairing with up to 24 water leak sensors (Model: WD61), with a maximum transmission range of 328FT (100M), ideal for comprehensive leak monitoring across various areas like home, basement, kitchen, bathroom, toilet, and laundry room.
  • [Adjustable Volume & 32-Ringtone] The Sensor offers 4 adjustable volume levels (0-120dB), while the 2.4GHz WiFi gateway supports 5 volume levels (0-100dB) and 32 ringtones. Remotely adjust the Gateway's volume and select ringtones through the TUYA Smart App for added convenience.
  • [Smart Control via TUYA] Bind devices to the TUYA Smart App to receive remote alerts, control on/off functions, customize Sensor/Gateway names, adjust volume, and select ringtonesoffering intelligent management and personalized settings.
  • [Notice] The Gateway (Model: W13) in this product only supports expanding WD61 model sensors, it cannot expand WD60 model sensors (for example, ASIN: B0CKYTP2DM / B0B639K2HL in this store, these WD60 Sensors don't have Bluetooth and WiFi function).
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#3
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Mengshen WiFi Water Leak & Water Level Detector, 2-In-1 Tuya Smart Sensor Alarm Loud Volume APP Alert Monitoring with 6.5 Feet Detection Line for Swimming Pool Fish Tank Aquarium

Brand: Mengshen
$29.99
⭐ 5
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    Dual Sensor Water Alarm2 in 1, including water leak probe and water level probe. It can not only detect water leaks, but also detect the water level, telling you when water is full or low.
  • WiFi Smart Water DetectorThe device can be connected via 2.4G WiFi. No matter where you are, you can get real-time notifications on "Smartlife" APP or Tuya smart APP when water leak sensor or water level sensor is triggered.
  • 100 dB Loud AlarmWhen water leak sensor or water level sensor is triggered, loud alarm will alert you at the first time. Volume can be set on APP, High-Mid-Low-Mute can be selected.
  • Wide ApplicationsThis dual probe water sensor alarm is great for swimming pool, laundry room, bathroom, basement, fish tank, water tower, sink, aquarium, pond. You can monitor water leak and water level in time on APP to protect your belongings.
  • Battery PoweredWater sensor alarm is powered by 2 AAA batteries(Included), when the battery is low, the device will beep every one minute, and low battery alerts are also pushed on the app.
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#4
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WiFi Water Leak Detector, Smart WiFi Water Detector, APP Remote Control Water Sensor for Kitchens, Basements, Sinks, and Pools

Brand: BUBUCAM
$19.35
⭐ 4.8
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    *Smart Life APP: Monitor and detect water leaks remotely via the Smart Life mobile app, provide timely notifications and avoid potential damage caused by water leaks.
  • *Accurate water leak detection: This water sensor leak detector is designed to detect water leaks quickly and accurately, so you can protect your home or office from water damage with peace of mind.
  • *Easy installation: With its user-friendly design, this water flow sensor can be easily installed in various areas prone to water leakage, such as basement, kitchen, bathroom and laundry room.
  • *Reliable performance: This water leak detector is equipped with advanced technology to ensure reliable performance. It works efficiently and effectively, providing you with continuous protection against water leaks.
  • *Intelligent monitoring: Receive real-time and notifications on your smartphone when this water sensor detects a water leak, so you can conduct immediately and prevent further damage.
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#5
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Geevon 6 Pack Water Leak Detectors, 100dB Water Sensor Alarms Flood Detector for Basements, Bathrooms, Laundry Rooms, Kitchens, Garages, and Attics, Water Alarms Battery-Operated (Battery Included)

Brand: Geevon
$60.00
⭐ 4.6
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    LOUD 100DB WATER LEAK DETECTORS FOR HOME- Each water sensor alarm leak detector features ultra-loud 100dB alarm audio which is loud enough to be heard throughout the house even if the leak happens in the basement, garages, or wine cellar. The home water detector sensor will sound once the water is detected, alerting you of water leakage to avoid flood strikes.
  • PLACE ANYWHERE LEAKS HAPPEN - Geevon battery-operated water leak detector alarm residential with 3.15in diameter and 1.18in height which is easily placed anywhere you want, such as basements, laundry rooms, bathrooms, under sinks, or by water heaters to detect the leaks as they happen. Dont let the water leakage damage your home property and cost your money!
  • HIGHLY SENSITIVE WATER DETECTION SENSOR - Basement flood detector water sensor alarm with 3 metal prongs embedded on the bottom is made from high-quality ABS materials & electronic parts with waterproof design, it's okay to float on water to detect leaks to prevent water damage.
  • WATER ALARMS BATTERY OPERATED - Water alarm leak detector is powered by a 6F22 9V battery(Shipped with Battery). No wiring or screws are required. Unwrap and install the included battery, then place the water detection alarm in areas where leaks and flooding may occur.
  • 30-DAY MONEY BACK GUARANTEE - Each package comes with 6 x Home Water Detector Alarm Sensors and 6 x 9V Batteries. We offer 30-day free money-back, 12-month warranty, and lifetime consulting service. Please let us know if you have any issues with our water sensors for leaks.
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#6
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Ecowitt WH55 Wireless Water Leak Detection Sensor with Loud Audio Alarm

Brand: ECOWITT
$29.99
⭐ 4.1
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    Water Leak Detector: This water alarm sensor detects water seepage every 3 seconds and emits loud alarm with 90dB once triggered
  • Live Data on APP: requires a GW1000 WIFI gateway(sold separately) to connect to WiFi, after the WIFI configuration,you can monitor the water leak condition on the Live Data page of the WS View app (requires the gateway and your phone is using the same Wi-Fi network)
  • Remote Monitoring: supported to upload to our free Ecowitt Weather server(ecowitt.net) to view the current water leak condition
  • Email Alerts: Receive email alerts from the Ecowitt Weather Server for the ; Remote monitoring with smart phone, laptop, or computer by visiting the website
  • Battery power level display on the WS View App & battery alert function on the Ecowitt Weather Server ; High or low sensor sensitivity selectable to meet different requirements.
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#7
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X-Sense Wi-Fi Water Leak Detector Kit, Smart Water Sensor Alarm with App Alerts and Ultra-Slim Design, Water Alarm Leak Detector for Basements, 4 Water Sensors and 1 Base Station, Model SWS0A41

Brand: X-Sense
$102.78
⭐ 4.8
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    Never Miss a Leak: When a water leak is detected, a red light will flash on the water leak detector and the base station will sound an alarm up to 100 dB; youll also get an app alert on your phone, so you can learn about leaks even if youre away
  • Feature-Rich App: Adjust the base station alarm volume, mute an alarm, and view your alarm history via the app; tap Remind Me Later to temporarily mute the alerts for 10 minutes, 30 minutes, 2 hours, 6 hours or 12 hours; test the device, get low battery alerts, and share the sensor all from the app
  • Top and Bottom Sensors: Featuring 2 ultra-sensitive water probes on the top and 4 on the bottom, this water leak sensor can sense water just 0.4 mm deep as well as drips from above, ensuring you're promptly alerted to any unexpected water without having to physically be there and check for yourself
  • Ultra-Slim and Easy to Place: This water alarm fits into tight and awkward spaces thanks to its compact design; the device is only 0.7 in (17 mm) thick and 3 in (77 mm) in diameter
  • Long Connection Range: Feel confident to put this sensor in an outbuilding or far away cornerits wireless connection range of up to 1,700 ft (500 m) in open areas means youll receive app alerts no matter where its placed
  • Works in Humid Areas: With an IP67 waterproof rating, this leak detector works reliably in humid spaces such as near dishwashers or water heaters; once its in position, theres no maintenance as its batteries last up to 3 years and simply replace them to extend its lifespan to 5 years
  • Detects Leaks Throughout Your Home: This Wi-Fi water sensor detects leaks in places like windows, bathrooms, kitchens, garages, restrooms, sinks, water pipes, laundry rooms, basements, and wine cellars
  • Base Station Alarm: When water is detected, an LED on this water leak detector will flash red, but only the base station will emit an alarm; if you would like a model where both the device and base station sound, consider the X-Sense SWS54 Kit with Wi-Fi water leak detector
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#8
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Geevon 4 Pack Water Leak Detectors, 100dB Water Sensor Alarms Flood Detector for Basements, Bathrooms, Laundry Rooms, Kitchens, Garages, and Attics, Water Alarms Battery-Operated (Battery Included)

Brand: Geevon
$54.00
⭐ 4.2
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    LOUD 100DB WATER LEAK DETECTORS FOR HOME- Each water sensor alarm leak detector features ultra-loud 100dB alarm audio which is loud enough to be heard throughout the house even if the leak happens in the basement, garages, or wine cellar. The home water detector sensor will sound once the water is detected, alerting you of water leakage to avoid flood strikes.
  • PLACE ANYWHERE LEAKS HAPPEN - Geevon battery-operated water leak detector alarm residential with 3.15in diameter and 1.18in height which is easily placed anywhere you want, such as basements, laundry rooms, bathrooms, under sinks, or by water heaters to detect the leaks as they happen. Dont let the water leakage damage your home property and cost your money!
  • HIGHLY SENSITIVE WATER DETECTION SENSOR - Basement flood detector water sensor alarm with 3 metal prongs embedded on the bottom is made from high-quality ABS materials & electronic parts with waterproof design, it's okay to float on water to detect leaks to prevent water damage.
  • WATER ALARMS BATTERY OPERATED - Water alarm leak detector is powered by a 6F22 9V battery(Shipped with Battery). No wiring or screws are required. Unwrap and install the included battery, then place the water detection alarm in areas where leaks and flooding may occur.
  • WHAT YOU GET - Each package comes with 4 x Home Water Detector Alarm Sensors and 4 x 9V Batteries. We offer 30-day money-back, 12-month warranty, and lifetime consulting services. Please let us know if you have any questions about our water sensors for leaks.
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#9
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Aqara Water Leak Sensor T1, Smart Flood Detector with Real-Time Alerts, Zigbee 3.0 Compatible, Waterproof Design, Works with HomeKit, Alexa, and Google Assistant

Brand: Aqara
$57.78
⭐ 4.7
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    Triggers Aqara Hub Alarm and Push Notifications: When the water level reaches up to 0.5mm, the Water Leak Sensor T1 will trigger the Hub to sound an alarm and send a notification to your phone.
  • IP67 Dustproof and Waterproof Rating: The Aqara Water Leak Sensor T1 meets an IP67 dustproof and waterproof rating. It is guaranteed to work in humid and dusty environments.
  • Designed to Fit Everywhere: The Aqara Water Leak Sensor T1 can be placed anywhere according to your needs, guarding your home with its elegant design.
  • Multi-Ecosystem Support: After binding it to an Aqara hub, the sensor can be available to third-party platforms, such as Apple Home (featuring Critical Alerts). It can also be natively integrated with Samsung SmartThings.
  • Aqara Home Automations: You can customise different scenes with our suite of smart home products.
  • Advanced Technology: The outer shell is made of anti-UV material which protects the sensor from discoloration. The sensor is also energy-efficient, and one battery can last over 2 years under normal usage.
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#10
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TP-Link Tapo Smart Water Leak Sensor, Home Security System, Real-Time & Accurate, Built-in 90dB Adjustable Siren, IP67 Waterproof, Dual Induction, App Alert, Visible Alarm, Hub Required (Tapo T300)

Brand: TP-Link
$29.00
⭐ 4.2
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    Designed to Fit Everywhere Place in any location with its elegant design.
  • 90 dB Dripping & Leaking Alarm Tapo T300 can emit an alarm up to 90 dB.
  • IP66 Waterproof Rating IP66 waterproofing protects from wet and dusty environments.
  • Hub Supported When a leak is detected, Tapo Hubs alarm and notifications activate instantly via Tapo App. And Dual Induction Detection points on the top and bottom of the device pick up dripping and complete immersion.
  • TP-Link is the Worlds No.1 Wi-Fi Product Provider. Industry leading 1-year warranty and 24/7 technical support.
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