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TP-Link Smart Water Leak Detector, Wi-Fi with Rapid Dripping Detection, 90dB Adjustable Alarm, App Alerts, Compatible with Alexa and Google Home

4.5 out of 5 stars 94 ratings
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Style: Water Leak Sensor
This item is certified to work with Alexa
WORKS WITH ALEXA
Add voice control by combining with an Alexa device & hub
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Purchase options and add-ons

Color White
Brand Tapo
Power Source Battery Powered
Compatible Devices Alexa, Tapo, Google Home
Battery Description Alkaline

About this item

  • 【1-Second Rapid Detection and Response & Dual-Side Sensing】Featuring six highly sensitive sensor probes, Tapo T300 triggers its siren in as little as 1 second to alert users immediately and prevent worse water damage. Sensor probes on the top and bottom are designed to detect both drips and leaks.
  • 【Instant App Notifications】Receive an instant app notification when a leak happens or the batteries run low. Find out even while away from home.
  • 【90 dB Built-in Alarm】Alerts you immediately with its adjustable 90 dB alarm when leakage occurs. Press once to silence the alarm after you find the spot. It can also trigger the Hub alarm for additional audible alert coverage.
  • 【3+ Year Battery Life】Two replaceable AAA batteries provide up to 3 years of battery life (Battery life of up to 3 years is based on TP-Link's laboratory results. Actual battery life may vary depending on working conditions and environments).
  • 【IP67 Waterproof】Tapo T300 meets the IP67 rating against water and dust and is able to withstand humid and dusty environments.

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This item: TP-Link Smart Water Leak Detector, Wi-Fi with Rapid Dripping Detection, 90dB Adjustable Alarm, App Alerts, Compatible with Alexa and Google Home
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From the brand


From the manufacturer

Tapo T300
Tapo T300

One Drip is Enough

Featuring six highly sensitive sensor probes on the top and bottom, Tapo T300 triggers its siren in as little as 1 second detect both drips and leaks.

With the rapid detection, users can immediately be notified and prevent worse water damage.

Around-the-Clock Alerts

Tapo T300

90 dB Built-in Alarm

Alerts you immediately with its adjustable 90 dB alarm when leakage occurs. It can also trigger the Hub alarm for additional audible alert coverage.

Tapo T300

Monitor Water Leakage from anywhere

Receive an instant app notification when a leak happens or the batteries run low. Find out even while away from home.

Durable for Use

Tapo T300

IP67 Waterproof

Designed with an IP67 waterproof and dustproof rating, the sensor is ideal for humid and dusty environments with a long service life.

Tapo T300

Long-Lasting Performance

Receive an instant app notification when a leak happens or the batteries run low. Find out even while away from home.

Versatile Usages, Flexible Placement

Tapo T300

Water Heater

Tapo T300

Sink

Tapo T300

Washing Machine

Tapo T300

Basement

Product information

Technical Details

Number of Batteries ‎2 AAA batteries required. (included)
Voltage ‎3 Volts
Control Method ‎App, Touch
Noise Level ‎90 dB
Mounting Type ‎Tabletop Mount
Sensor Technology ‎Contact Sensor
UPC ‎840030707308
Manufacturer ‎TP-Link
Part Number ‎Tapo T300
Item Weight ‎3.52 ounces
Product Dimensions ‎3.33 x 1.83 x 1.18 inches
Country of Origin ‎Vietnam
Item model number ‎Tapo T300
Batteries ‎2 AAA batteries required. (included)
Style ‎Water Leak Sensor
Item Package Quantity ‎1
Included Components ‎Tapo T300 × 1; AAA Batteries (included) × 2; Quick Start Guide
Batteries Included? ‎Yes
Batteries Required? ‎Yes
Battery Cell Type ‎Lithium
Description Pile ‎Alkaline

Additional Information

ASIN B0CHZ83LQD
Customer Reviews
4.5 out of 5 stars 94 ratings

4.5 out of 5 stars
Best Sellers Rank #12,369 in Tools & Home Improvement (See Top 100 in Tools & Home Improvement)
#16 in Water Detectors & Alarms
Date First Available September 13, 2023

Warranty & Support

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Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.

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TP-Link Smart Water Leak Detector, Wi-Fi with Rapid Dripping Detection, 90dB Adjustable Alarm, App Alerts, Compatible with Alexa and Google Home


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Product Description

The Tapo T110 Contact Sensor enhances home security by sending real-time notifications to your phone whenever a door or window is unexpectedly opened, allowing for immediate action. It also offers versatile functionality by enabling automation with other Tapo devices like lights and security cameras through programmable Smart Actions. The Tapo Hub H100 is required for operation, ensuring extended battery life and wider coverage via Sub-1G Low-Power Wireless technology. The Hub supports up to 64 sensors, features a 90dB ringer with 19 tones, and allows continuous use of Smart Actions even without internet connectivity. *Note: This device operates exclusively within the specified Sub-1G band. Please note that different regions support different frequency bands. Ensure that the devices or hubs you intend to use are compatible with the same Sub-1G band.

Top Brand: Tapo

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TP-Link Smart Water Leak Detector, Wi-Fi with Rapid Dripping Detection, 90dB Adjustable Alarm, App Alerts, Compatible with Alexa and Google Home
Tapo TP-Link Smart Water Leak Detector, Wi-Fi with Rapid Dripping Detection, 90dB Adjustable Alarm, App Alerts, Compatible with Alexa and Google Home
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Price-15% $16.99
List:$19.99
-39% $33.75
List:$54.99
-28% $43.34
Typical:$59.99
$29.99$53.99
Delivery
Get it as soon as Friday, May 2
Get it as soon as Monday, Apr 28
Get it as soon as Monday, Apr 28
Get it as soon as Monday, Apr 28
Get it as soon as Monday, Apr 28
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Important information

Bulb Voltage

3 volts

Customer reviews

4.5 out of 5 stars
94 global ratings

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Customers say

Customers find the water leak detector works well, with immediate notifications popping up when leaks are detected and alerts sent to mobile devices. The device is easy to set up and offers good value for money, with customers appreciating its loud alarm and reliable battery strength. The connectivity receives mixed feedback, with one customer reporting issues connecting to their network. Several customers mention the unit failing to power on.

AI-generated from the text of customer reviews

10 customers mention "Functionality"10 positive0 negative

Customers find that the water leak detector functions well, with one customer noting it works perfectly with other Tapo devices and another mentioning seamless integration with Alexa.

"...that I also use Alexa for some automatons and these devices work seamlessly with Alexa as well...." Read more

"...I have had smart devices from TP-Link. They also make a good devices and apps that work well...." Read more

"...And since it's part of the Tapo ecosystem, it works perfectly with my other Tapo devices, so I can monitor everything easily through one app...." Read more

"Awesome devices, work great, communications with hub solid." Read more

8 customers mention "Leak detection"8 positive0 negative

Customers appreciate the water leak detector's quick response time, with notifications popping up almost immediately and triggering alerts on mobile devices.

"...Getting a leak notification when you are away is a game changer which I hope will help avert a disaster because you know that these things usually..." Read more

"...When testing them, the sensors sent a notification to my phone, so in addition to a loud alarm it will let me know even if I an not home...." Read more

"...I particularly like that if it detects a leak, it alerts on the sensor itself (loudly), the Tapo hub..." Read more

"...Dripped some water on the top sensors and received an immediate alarm at the sensor, hub and phone...." Read more

6 customers mention "Ease of setup"6 positive0 negative

Customers find the water leak detector easy to set up, with one mentioning that it automatically added to their system.

"...unit, the setup process for these through the app was about as easy as it can get...." Read more

"...The app found all my old Kasa light switches and added them automatically, Now I have both set of devices on a quality app...." Read more

"...Setting it up was a breeze; I had it connected to my Wi-Fi in no time...." Read more

"...It's surprisingly easy to set up using the Tapo app...." Read more

5 customers mention "Value for money"5 positive0 negative

Customers find the water leak detector to be good value for money.

"...This was easy and inexpensive." Read more

"...safeguard your home from water damage, this little detector is worth the investment. It’s reliable, efficient, and just makes life a bit easier!" Read more

"...Great product along with the Tapo T100 hub." Read more

"Excellent product and Seller, I recommend purchase." Read more

3 customers mention "Battery strength"3 positive0 negative

Customers appreciate the battery strength of the water leak detector, with one customer noting that it remains practically new, and another mentioning that the app is stable.

"...I have had these for several months now and the batteries strength is still practically new...." Read more

"...It’s reliable, efficient, and just makes life a bit easier!" Read more

"...I have a bunch of Tapo stuff and it all functions perfectly. The app is stable." Read more

3 customers mention "Noise level"3 positive0 negative

Customers appreciate that the leak detector has a loud alarm.

"...the sensors sent a notification to my phone, so in addition to a loud alarm it will let me know even if I an not home...." Read more

"Installed under the kitchen sink Loud alarm and triggers alerts on the app. Sensors on the top and bottom of the device...." Read more

"Very loud. Good peace of mind." Read more

6 customers mention "Connectivity"3 positive3 negative

Customers have mixed experiences with the water leak detector's connectivity.

"Awesome devices, work great, communications with hub solid." Read more

"...These also would not connect to my network. The reset button is poorly designed and hurt to press, and I had to press it a lot...." Read more

"...IP67 rating seems overrated. The wireless connection was OK. The sensor was installed underground, about 2 feet beneath a steel cover...." Read more

"When my home lost electricity, the Tapo system did NOT reconnect...." Read more

3 customers mention "Power saving"0 positive3 negative

Customers report issues with power saving, with multiple customers mentioning that the unit doesn't power on.

"...During setup, the LED would not come on...." Read more

"The title says it all. Pulled out the blue tab. I could not get the device to power up. Turns out, the batteries were installed backwards...." Read more

"When I pulled the battery-stopper per the setup instructions the unit didn't power on...." Read more

Top reviews from the United States

  • Reviewed in the United States on March 20, 2025
    Style: Water Leak SensorVerified Purchase
    Part of this review is about the device and the other is about the customer service I received.

    The guys that plumbed our house 30+ years ago used substandard materials and coupled that with shoddy work. We have had several leaks in various places in house causing thousands in water damage over the years. I have used the basic battery operated leak sensors and they work well enough but you have to be home for them to do any good so I have been searching for a way to detect leaks when we are away. I tried using a Zircon wifi leak sensor but it ate batteries like I eat cookies and it didn't always alert me when the batteries needed to be changed, It was also much more expensive than these Tapo sensors. It sent alerts through email and you do not always see those for a while so after just a few months, I stopped feeding my unit batteries.

    I decided to give these Tapo sensors a try because the Tapo hub requires a very low power usage to stay connected and you can use their phone app to check the battery strength. I have had these for several months now and the batteries strength is still practically new. I have one behind every toilet, next to the water heater pan, washing machine, dishwasher and under each sink in the house (and I am going to order a few more because I just thought of a couple places that might benefit). I do test them occasionally either by simply putting a wet finger across the contacts or setting them on a wet surface just for piece of mind that they are still operating and they always trigger an alert on my mobile devices (iphone and Ipad). The leak notification pops up almost immediate on my phone. They also have a test button which allows you to just test that the device is working and communicating with the hub. Getting a leak notification when you are away is a game changer which I hope will help avert a disaster because you know that these things usually happen when you are on vacation. Now I can get my neighbor to run next door and turn off my water to minimize damage. I cannot believe how cheap they are.

    Except for one unit, the setup process for these through the app was about as easy as it can get. Within minutes, it was activated and sending alerts when I tested them. I disconnected my phone from WiFI to also test that I got alerts when away. Unfortunately one unit activated but had a "local only" error status meaning that it would not give me updates while away. The good news is that the app was smart enough to know that there was a problem and flagged it with a big red flag but alerts would trigger on my phone only when connected to WiFi. I contacted their customer service and the assigned tech seemed to take this problem personally and over a few days (not sure they had seen the error before) of doggedness got it working as it should. The dedication that CS tech Graham showed to solving this issue has given me the confidence to invest in other TP-Link smart home devices. I now have several others and the Tapo/Kasa and TP-Link ecosystem in my home continues to grow.

    I have tried several different smart home brands over the last 5 or 6 years and the this one gets my vote as the best envisioned so far. Note that I also use Alexa for some automatons and these devices work seamlessly with Alexa as well. My only complaint is that the automatons you can create in the Tapo app are still evolving but Alexa fills that void nicely for now and there has been nothing that I wanted to do that I could not. Also note that TP-Link has an excellent forum for asking questions. TP-Link is dedicated helping people utilize their technology by answering questions there but you also get other users providing input as well which greatly enhances the knowledge base.
    3 people found this helpful
    Report
  • Reviewed in the United States on October 24, 2024
    Style: Water Leak SensorVerified Purchase
    We have not had a water leak yet, than goodness. I tested each sensor and they all responded.

    They were very easy to setup on my mesh network. The app found all my old Kasa light switches and added them automatically, Now I have both set of devices on a quality app.

    I have had smart devices from TP-Link. They also make a good devices and apps that work well.

    When testing them, the sensors sent a notification to my phone, so in addition to a loud alarm it will let me know even if I an not home.

    I had previously tried to setup the top rated Moen water sensors. I spent at least 3 hours on tech support calls with them. They even decided the first ones I had were all defective and sent me a new set. These also would not connect to my network. The reset button is poorly designed and hurt to press, and I had to press it a lot.

    This is much better and it seems to work. I hope I never have a water leak but I feel much better prepared now. I had 2 water leaks at our previous house and they were very expensive to repair. This was easy and inexpensive.
    2 people found this helpful
    Report
  • Reviewed in the United States on April 1, 2025
    Style: Water Leak SensorVerified Purchase
    I've been using the TP-Link Tapo Smart Water Leak Detector for a few months now, and I can't recommend it enough. It’s a small device that packs a big punch when it comes to peace of mind.

    Setting it up was a breeze; I had it connected to my Wi-Fi in no time. Once it's up and running, you can place it anywhere you suspect water might be a problem, like near hoses, sinks, or in the basement. The real magic happens with the notifications. If it detects even a little moisture, it sends an alert straight to my phone. That feature really gave me confidence, knowing I could catch potential leaks before they turn into major issues.

    What I appreciate most is how sensitive it is. I've tested it a few times, and it picked up even the smallest drops of water. Also, the battery life has been impressive; I haven't had to replace it yet, which is a plus.

    And since it's part of the Tapo ecosystem, it works perfectly with my other Tapo devices, so I can monitor everything easily through one app. Overall, if you're looking to safeguard your home from water damage, this little detector is worth the investment. It’s reliable, efficient, and just makes life a bit easier!
  • Reviewed in the United States on July 31, 2024
    Style: Water Leak SensorVerified Purchase
    This sensor is better than others I've looked at, for a few reasons. It's surprisingly easy to set up using the Tapo app. I particularly like that if it detects a leak, it alerts on the sensor itself (loudly), the Tapo hub (which can be located where you can best hear it), and my phone. After I set it up in the app, I set it in a puddle, and got alerts in all three places within 1-2 seconds.

    During setup, the LED would not come on. The app prompted with suggestions for resolving this, and it turned out that one of the batteries had been installed in the wrong orientation. As soon as I installed the battery correctly, the setup completed as expected. If you run into a setup problem, don't assume the factory installed the batteries correctly.
    One person found this helpful
    Report
  • Reviewed in the United States on March 23, 2025
    Style: Water Leak SensorVerified Purchase
    Awesome devices, work great, communications with hub solid.
  • Reviewed in the United States on December 7, 2024
    Style: Water Leak SensorVerified Purchase
    The title says it all. Pulled out the blue tab. I could not get the device to power up. Turns out, the batteries were installed backwards. Definitely a QA issue at the factory.
  • Reviewed in the United States on April 20, 2024
    Style: Water Leak SensorVerified Purchase
    First and only con: batteries dead on arrival (easily fixed)
    Pros: extremely easy Setup with hub. Placed the device in our sump pump room in the basement, hub is main floor, test worked perfectly for connection. Dripped some water on the top sensors and received an immediate alarm at the sensor, hub and phone. Will order a second one for the water heater in the equipment room. I use a Deco X55 mesh system and have created an IoT network for this device and all my Kasa/Tapo devices. Runs like a charm.

Top reviews from other countries

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  • sylvie rouleau
    5.0 out of 5 stars Indispensable
    Reviewed in Canada on April 11, 2025
    Style: Water Leak SensorVerified Purchase
    Super pratique car je reçois un avis sur mon téléphone cellulaire
    Report
  • oscaralbuja
    5.0 out of 5 stars Producto perfecto
    Reviewed in Mexico on October 1, 2024
    Style: Water Leak SensorVerified Purchase
    Es perfecto para detectar fuga sde agua y lo conecte junto con el hub de tapo todo perfecto
    Customer image
    oscaralbuja
    5.0 out of 5 stars
    Producto perfecto

    Reviewed in Mexico on October 1, 2024
    Es perfecto para detectar fuga sde agua y lo conecte junto con el hub de tapo todo perfecto
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    Customer image
  • Jill Cairns
    5.0 out of 5 stars Needs a hub
    Reviewed in Canada on March 19, 2025
    Style: Water Leak SensorVerified Purchase
    Had to order a hub in order for this to work but aside from that it seems to work!
  • AM
    1.0 out of 5 stars Poor information/missing parts.
    Reviewed in Canada on April 8, 2025
    Style: Water Leak SensorVerified Purchase
    Not at all pleased with this unit. On my other TP products I bought this item needs to attach to an another unit. All of my other TP products attached directly to my phone.

    on my other TP products I bought this item needs to attach to a another unit. All of my other TP products attached directly to my phone.

    There was no mention of requiring a second unit in order for this to function. If that were the case, I may as well have gotten the more expensive newer model.

    I will be returning this model due to the fact it was poorly advertised, and not what was expected.

    In my opinion, this item deserves no star due to incomplete. The explanation on the site deserves one star, or the retailer deserves one star or poor information.