Best Wi Fi Water Alarms in 2026

Easy to install. Scan, Plug and Play. Full installation and setup in less than 10 minutes

Protected and informed, with Realtime phone app notifications, emails, SMS messages and automations (turn on optional sirens, smart plugs..)

FAIL/SAFE: Patented technology! Pair your leak sensors to battery powered valve controllers and/or sirens. No internet, no WiFi, power outage no worries!

Detects as little as 1/32 in. of water to offer an effective early warning system

Solid-state circuitry is extremely sensitive and reliable

Loud 110 dB alarm can be heard throughout the house

Dripping and Leaking Alarm: Besides 2 groups of backwater detector sensor probes, each detector also has 1 group of front probes for pipe dripping.(Note: Only paired with the gateway of the water detector, cannot paired with the gateway of the hygrometer.)

Wireless and Easy to Use: No wire or setup required, the mini size allows you to put it on any place where the water leak may be happening. With kit "B07QP153GT", you are able to monitor leaks on your phone even you're not at home."B07QP153GT" not Included in Package.

Adjustable Alarm Audio: Each water leak detector features an 0-100 dB adjustable alarm audio. Loud enough to be heard even if leak happens in basement, press the button to mute the sound when you find the leaking place.

📶 Why Worry About WiFi? YoLink devices communicate by LoRa, an industrial-grade protocol that provides up to ¼ mile open air range. Devices do NOT connect to your network or even to the internet; they communicate with the Hub. Strong signal level, obstruction penetration, no (WiFi) holes in your internet security, and fully-encrypted communications provide more than most ask for from their smart home system!

⏱ Set it & Forget it! Installs in seconds! The YoLink wireless Water Sensor could not be easier to install; just place near or under the equipment you wish to monitor. Suggested uses are near or under, toilets, water heaters, laundry machines, dishwashers, sinks, fish tanks, in or near sump pumps, and by any other location subject to water leaks and flooding.

📡 Extreme Long Range: Powered by LoRa technology, the long-range yet low-power system offers the industry’s longest receiving range in the market (1/4 mile). Our long-range coverage enables its use in areas challenging for most residential Wi-Fi systems, such as basements, outdoor porch/patio areas, sheds, free-standing garages, even remote outbuildings on your property. Low-power operation squeezes the most out of the batteries, which can last from 2 to 10 years!

📶 Why Worry About WiFi? YoLink devices communicate by LoRa, an industrial-grade protocol that provides up to ¼ mile open air range. Devices do NOT connect to your network or even to the internet; they communicate with the Hub. Strong signal level, obstruction penetration, no (WiFi) holes in your internet security, and fully-encrypted communications provide more than most ask for from their smart home system!

⏱ Set it & Forget it! Installs in seconds! The YoLink wireless Water Sensor could not be easier to install; just place near or under the equipment you wish to monitor. Suggested uses are near or under, toilets, water heaters, laundry machines, dishwashers, sinks, fish tanks, in or near sump pumps, and by any other location subject to water leaks and flooding.

📡 Extreme Long Range: Powered by LoRa technology, the long-range yet low-power system offers the industry’s longest receiving range in the market (1/4 mile). Our long-range coverage enables its use in areas challenging for most residential Wi-Fi systems, such as basements, outdoor porch/patio areas, sheds, free-standing garages, even remote outbuildings on your property. Low-power operation squeezes the most out of the batteries, which can last from 2 to 10 years!

✅ 𝗣𝗥𝗢𝗧𝗘𝗖𝗧 𝗬𝗢𝗨𝗥 𝗙𝗔𝗠𝗜𝗟𝗬! - Be worry free and know you did everything to keep your family safe from fires or explosions caused by dangerous gas leaks from your stove, furnace, water heater, washing machine, fireplace, kitchen, garage or grill.

✅ 𝗦𝗔𝗩𝗘 𝗬𝗢𝗨𝗥 𝗧𝗜𝗠𝗘- Plug and Play! Don't waste your precious, limited free time with complex installations and never change a battery! Just plug in and get on with your day!

✅ 𝗦𝗧𝗔𝗬 𝗦𝗧𝗬𝗟𝗜𝗦𝗛 - No tacky cord! Don't drill holes in your wall! This sleek and modern white natural gas alarm is wireless and will complement the style of your home or camper without detracting from your interior design.

Fully Automatic – No Wiring or Electricity Required. Includes a 3V lithium battery.

Name each device with it's location during Wi-Fi set up and email alerts will direct you immediately to the source of the alarm. Loud 105 db Alarm and Flashing SOS alarm still sound even when Wi-Fi isn't available. (Email Alert is dependant on Wi-Fi availability).

Continuously monitors for leaks around sinks, dishwashers, appliances, refrigerators, washing machines, sump pumps, water heaters, hot tubs, water filtration units, and more

📶 Why Worry About WiFi? YoLink devices communicate by LoRa, an industrial-grade protocol that provides up to ¼ mile open air range. Devices do NOT connect to your network or even to the internet; they communicate with the Hub. Strong signal level, obstruction penetration, no (WiFi) holes in your internet security, and fully-encrypted communications provide more than most ask for from their smart home system!

⏱ Set it & Forget it! Installs in seconds! The YoLink wireless Water Sensor could not be easier to install; just place near or under the equipment you wish to monitor. Suggested uses are near or under, toilets, water heaters, laundry machines, dishwashers, sinks, fish tanks, in or near sump pumps, and by any other location subject to water leaks and flooding.

📡 Extreme Long Range: Powered by LoRa technology, the long-range yet low-power system offers the industry’s longest receiving range in the market (1/4 mile). Our long-range coverage enables its use in areas challenging for most residential Wi-Fi systems, such as basements, outdoor porch/patio areas, sheds, free-standing garages, even remote outbuildings on your property. Low-power operation squeezes the most out of the batteries, which can last from 2 to 10 years!

Real-time Alerts: Connect the gateway to WiFi, and the water leak detector will instantly send emails, App notifications & alerts to your phone when water leakage occurs even you're not at home. Water sensors and gateway are paired right out of the box.

Loud Alarm with Mute: If WiFi is not temporarily available, our 100dB water alarm is loud enough to be heard. Press the Mute button to silence the alarm when you find the leak.

Drip and Leak Alerts: Water sensor comes with 2 groups of back water detector probes & 1 group of front probes for pipe dripping detection. Use the App to name each sensor with its location.

At the first signs of leaks, freezes, or excess humidity, the Wi-Fi Water Leak & Freeze Detector can alert your smartphone.

Notification includes mobile & audible alerts – messages can alert you or your family/friends wherever you are, while audible alerts sound when you are at home.

Connects to standard Home Wi-Fi directly – no need for an extra hub.

Ready to Use: Download the app, connect the devices to the app via the 2.4 GHz Wi-Fi network (incompatible with 5 GHz) and then start to protect your home

Real-Time Notifications: When a water leak is detected, a push alert will be sent to your phone, so you’ll be alerted quickly even while you are not at home; you can share the device with your family members so they can also check the device status anytime, anywhere

Know from Anywhere: Once triggered, the water leak sensor and base station will sound simultaneously at a volume of up to 110 dB – loud enough for everybody to hear; simply mute the alarm via the app or push the silence button on the base station or water leak sensor

Detects as little as 1/32 inch of water to offer an effective early warning system

2 metal sensors at the bottom are extremely sensitive and reliable

Loud 110 dB alarm can be heard throughout the house

Cloud enabled water/liquid level sensor. Get alerts when level crosses a set threshold. View live on cloud.

Connects to your home or office wifi. No hub or gateway required.

Ideal for water level monitoring, tank monitoring, basement sump pump water level detection

For a Safer Home: The water leak detector only supports 2.4GHz WiFi. The package comes with 8 AAA batteries(included) and has up to 5+ years of battery life. The water sensor has the technologies and features you need to give you the confidence that the people, places, and things that matter are always protected.

Low-cost and Effective: The sensitive water detector alarm will emit a 60 dB alarm sound when encountering water leakage or water flow, you can hear it even if you‘re in the basement or garden. The water sensor is designed to warn you to turn off the water in time so that can be fixed before they become much costlier problems.

All-day Protection: Smart technology helps reduce the risk of water damage by providing 24/7 monitoring to help detect leaks. It will push APP and free email notifications to you when a water leak alarm occurs such as a flooding basement or malfunctioning appliance even if you're away from home.

24/7 PROTECTION: Turn your water on/off from the app manually, or Flo by Moen Smart Water Shutoff will automatically turn off the water for you to protect the home from catastrophic water damage

DAILY LEAK TESTING: MicroLeak Technology proactively monitors the security of the home's entire water system (including behind walls and in foundations) to identify leaks as small as a drop per minute (e.g. pinhole leaks, etc.)

APP DASHBOARD: See how much water you're consuming daily and set conservation goals to encourage saving water and money for your home

PROTECT YOUR HOME FROM WATER DAMAGE: Can be placed in the home wherever there is a risk for potential water damage, such as a flooding basement, washing machine leak, hot water tank failure, etc

24/7 PROTECTION: Smart technology detects leaks to help reduce the risk of water damage by providing 24/7 monitoring

CONSTANT MONITORING: Monitors for water leaks and measures the room’s temperature and humidity to help protect against frost and mold risk

REAL-TIME MONITORING with Level Sense Pro Water Alarm Sensor lets you know immediately about fluid levels in wells and cisterns. Discover moisture and leaks early so you can act fast and limit damage.

WIFI-ENABLED water alarm sensor with float switch monitors temperature, water level, humidity, leak detection and power outage. Cloud check-in monitoring helps deter frozen pipes, flooded basements and more.

Back-Up power provided by an auto-recharging internal back-up battery, Level Sense Pro Wifi Water Leak Detector stays on-top of sump pump levels even when storms interrupt electrical service to your home.

[Multiple Gases Detection] The Natural gas detector is suitable for 24 hours gas leak monitoring of LNG, LPG (propane), methane, natural gas, coal gas at your kitchen, camper, stove, furnace, water heater, washing machine for home, department restaurant, hotel etc.

[Easy to Install] Techamor home gas alarm adapts excellent industrial design and leaves 2nd outlet uninterrupted for other devices. Just plug in, and ready for monitoring potential gas leak risky after warm up process.

[LED Digital Display & Warning] The natural gas detector quickly and accurately detects gas leak to give you the earliest possible warning of gas leak with 85 dB alarm and rapid flashing LED indicator

Email and text message notification when water level change is detected. All services are free.

Battery powered wireless water level detector using your WiFi, no app to install and no hub is required. Perfect as a standalone high or low water alarm.

Waterproof float sensor with a 3 ft wire connected to a rugged enclosure protecting smart electronics. This float sensor can be used to detect high or low water levels, the default setting detects high water levels. Flip the float ring and use this device to detect low water levels in aquariums, ponds, and storage tanks.

Avoid Costly Water Damage: Master Sensor Plug-in with a compact, waterproof Sensor Pod (DCH-S163) detects leaks; multi-alert system (voice, alarm, text) notifies you right away

Alerts include powerful LED strobe light, built-in 100dB alarm, mobile phone notifications, and voice alerts with Google speakers providing real-time notifications wherever you are

Easy Setup and Placement: Master Sensor Plug utilizes a 5-foot cord with an attachable 1.5-foot water-sensing cable. Wirelessly expand coverage in up to 16 susceptible areas like next to water heaters, washers, and under sinks with Sensor Pods (DCH-S163)

TRUSTED LEAK PROTECTION – Protects your home with around the clock leak and freeze detection. Immediately alerts you via email, text and 80db audible alarm when a leak is detected. Two-year battery life with two easily replaceable AAA batteries, plus battery and WiFi strength levels on the SimpleSENCE app.

SECURE FAST & EASY SET UP – Connects to your Home 2.4G Wi-Fi in only a few minutes and the easy to use SimpleSENCE App allows you to be up and running with no gateway needed, no additional equipment required, and no monthly subscription fees. 100% compliant with new 2020 state enacted cyber security regulations.

INSTALL MULTIPLE SENSORS IN MULTIPLE LOCATIONS – Install throughout your home, office, vacation home, rental property, and even aging parents’ homes. Place next to water heaters, washing machines, dishwashers, under kitchen and bathroom sinks, behind toilets, in basements, next to sump pumps, and in attics.

There’s no extra hub or base station required. Simply install in the best location and complete the setup using the lyric app

There’s no wiring, so it’s easy to install the unit where needed. Battery life is up to 3 years without incident

Battery operation makes maintenance easy for the homeowner. Plus, the unit is reusable after a detection

HIGH SENSITIVE SENSOR CONTACTS - Are you still worrying the water leak damage in your home? Protect your home from potential water damage by installing a leak alarm is best way. Our electronic water leak detector with high sensitive sensor contacts responses quickly and accurately, it is fully automatic and does not require you to install any wiring, two metal sensor contacts of the water sensor to give you a loud alarming when water leak is detected, giving you a reliable result

Loud Alarming - 95dB alarm sound can be heard throughout the WHOLE HOUSE once the water leak or water flow through the sensor contacts. When touching water leak or flooding, a loud alarm will sound from the water sensor alarms. At this time,please take action to deal with it as soon as possible and remove the alarm unit from the leaking environment.This water leak sensor would help you away from water leak damage,choose it go home

Easy to Install, Smart, Affordable, and Compact - Povlen Water Leak Detector is a small device with 3 packs that you place near your hot water heater, toilet, sink, or anywhere else you might get a leak. In the event something does start leaking, the sensor will sound an alarm wherever it’s needed. This water alarms for basements powered by 1X 9V 6F 22 battery (battery is included), just twist off the sensor cover and install the battery manually, then this leak sensor can begin to work normally

💎 RELIABLE PERFORMANCE 💎 If the water sensor detects leaking water or the preset limit overrun, the 100dB alarm will sound and alert you to the situation, preventing potential water damage.（❤ Please Note: Only support 2.4G Wi-Fi, we have published the operation video of this detector on YouTube. Please search "shonmau" to view it❤ ).

💎 DOUBLE SAFEGUARD & QUICK REPORTING 💎 As soon as the water detector detects leaking water, 100dB alarm will sound within 1 second and you smartphone will receive an alarm message by the Tuya APP within 2-10 seconds (depending on the network speed).This is free to use. 【IN ADDITION - we also provide the second level of security (value-added service), you can choose to open the SMS or phone call notification alarm function on the app. The annual value-added service fee is no more than $2.

💎 CHILDREN-EFFICIENT INSTALLATION & OPERATION 💎 No gateways and complicated cabling required, you can connect our water sensor to your home Wi-Fi in just a few simple steps (2.4G Wi-Fi only). Whether you are in the office or on the road, you can check the status via app at any time. You can also share this with others, and more people can receive alerts and track the progress of wireless sensor activity.

App Monitor and instant Alerts: AGSHOME Hub requires a 2.4 GHz Wi-Fi connection, And it will push the real-time notifications in your smartphone when water leakage happens even you are away from your home.Water sensors and hub are not paired right out of the box.

120dB alarm : The Water Leak detectors provides a loud Audible alert to you when In flood situations,and the Leak Alert floats and continues to sound an alarm until the battery is depleted.To minimize property damage, respond to the alarm as quickly as possible. Wipe it out quickly.

Easy to install - no screws, no tape, no wires.The water sensors is Perfect for Any Room, Apartment, Home, Office. Place a water Leak sensor in any location where there is a potential for water damage and name each water detector.

Smart Water Leak Detector: Monitor critical locations at risk of flooding, and be informed immediately of the presence of water, preventing costly repairs; Smart Water Level Monitoring: The sensor may be configured for water level monitoring – be informed when water is no longer present or when water levels recede. Monitor water supplies for pet care, house plants, gardening and more

World's Longest Wireless Range: Powered by LoRa technology, the long-range yet low-power system offers the industry’s longest receiving range in the market (1/4 mile). Our long-range coverage enables its use in areas challenging for most residential Wi-Fi systems, such as basements, outdoor porch/patio areas, sheds, free-standing garages, even remote outbuildings on your property.

Early-Warning Notifications: Receive real-time early-warning notifications and protect your home and property from water damage. Notifications are in the form of smartphone banner alerts, limited SMS/text messages and emails, each optional and configured per your needs. Additionally, you may configure your system to activate a siren alarm and/or lights in your home.

[Real-time Alerts]: Check in from anywhere in the world and receive real-time alerts and notifications when water leakage occurs through your smart phone. Water sensors and gateway are paired right out of the box. Note: only support 2.4G WiFi, not support 5G WiFi.

[Dripping and Leaking Alarm]: Double-sided detection probe, fast response to dripping and leaking.Just press the button 5 seconds to make the water sensor silence when you find the leaking place. And wipe it out immediately.

[Easy to use]: No wire, No tools required.just pull out the insulation sheet,then place it on any place where the water leak may be happening,such as sink,laundry machines,toilets,dishwashers and any other where you want to monitor

Real-time Alerts: Connect the gateway to the "AIRIA" App by 2.4GHz WiFi, and simplely add the water leak detectors to the App. Whenever there is a water leak or drip, the gateway and water leak detectors will automatically trigger an alarm, also the App notifications will be sent to your phone. Note: The gateway only supports 2.4G WiFi, not 5G WiFi. Not compatible with Alexa.

4-Level Adjustable Alarm: There are mute and 3 levels of volume can be adjusted for the gateway and detectors. Press and hold the TEST button on the detector for 3 seconds to choose the detector alarm volume. The loudest volume is 120dB, which is about as loud as standing next to a chainsaw sawing through a log.

Ultra-Sensitive Leak & Drip Alerts: There are 4 detection probes on the bottom of the detector and 2 parallel lines front probes which can immediately alarm when they detect water leak or drip in kitchen, bathroom, garage, bedrooms and basement.

PROTECT YOUR HOME: Detect leaks in an instant with this water sensor leak detector. Connect this smart water leak alarm to your home's 2.4 GHz Wi-Fi to receive instant notifications right to your phone or tablet.

CONTINUOUS MONITORING: Detect leaks when and where they happen and keep your entire home protected from leaks and floods 24/7. With this water detector alarm, you can save thousands of dollars in home repairs.

FITS ANYWHERE: Place the water sensor alarm under sinks, washing machines, hot water tanks, or anywhere in the basement. With a compact design, optional smaller extender cord and battery-operated power, you can place this water leak detector anywhere.

💎 3 in 1 Smart Home Water Sensor Set 💎 Brand-new practical technical, this kit comes with a Hub, 2 wireless water detectors, one 2-in-1 high water level/leak detection line, and a float water level detection line. Each water sensor has two 3.5mm standard headphone jacks, which can connect two detection lines at the same time to monitor different environments at the same time. The length of each of our detection cables is 6.5 Ft. You can buy an extension cable according to the actual situation.

💎 Real-Time Alerts & Remote Push Notifications Via Tuya App 💎 Connect the gateway to WiFi, and it will instantly send App notifications & alerts to your phone when When there is a water leak or the water level exceeds or falls below the set even you're not at home. Water sensors and gateway are paired right out of the box. 【Note: Doesn't support 5G WiFi.】 When the alarm is triggered, both the hub and the water detector will emit a 100 dB sound. If you don't need sound, you can mute them.

💎 Advanced Integrated Functions 💎 Whether you want to provide early warning of water leakage, or detect overflow or water shortage, our WiFi smart home kit can meet your needs. No need to purchase other multiple equipment, our host can connect up to 30 wireless sensors with a frequency of 433MHz. If you need to detect multiple places, you only need to purchase our wireless water sensor separately and add it to the host. In this way, you have set up a small family safety protection system.