YoLinkWater Leak Sensor 3-Pack, LoRa Up to 1/4 Mile Open-Air Range Smart Water Leak & Flood Detector, SMS/Text, Email & Push Notifications, w/Alexa, IFTTT, Home Assistant - YoLink Hub Required
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YoLinkWater Leak Sensor 3-Pack, LoRa Up to 1/4 Mile Open-Air Range Smart Water Leak & Flood Detector, SMS/Text, Email & Push Notifications, w/Alexa, IFTTT, Home Assistant - YoLink Hub Required

4.8/5
Product ID: 185757315
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Details

  • Color
    White
  • Brand
    YoLink
  • Power Source
    Battery
  • Compatible Devices
    YoLink Hub
  • Product Dimensions
    2.52"L x x
📡¼ mile LoRa range
🔋5+ years battery life
🔒Encrypted device-to-device

Description

💧 Stay dry, stay connected—no WiFi? No worries!

  • POWER THAT LASTS - Includes batteries that keep you protected for over 5 years—no frequent replacements needed.
  • WI FI INTERNET INDEPENDENT - Operates flawlessly even when your WiFi or internet is down, thanks to patented Control-D2D pairing.
  • SMART ALERTS WHEREVER YOU ARE - Receive instant SMS, email, and push notifications plus Alexa, IFTTT, and Home Assistant integration.
  • UNMATCHED LONG RANGE COVERAGE - LoRa tech delivers up to ¼ mile open-air range—perfect for basements, garages, and remote spots beyond WiFi reach.
  • SET IT FORGET IT INSTALLATION - Instant setup with no wiring—just place near vulnerable water sources and relax.

The YoLink Water Leak Sensor 3-Pack uses industrial-grade LoRa technology to detect leaks up to ¼ mile away without relying on WiFi or internet. With encrypted device-to-device communication, instant alerts via SMS, email, and push notifications, plus Alexa and IFTTT compatibility, it offers professional-grade water leak protection. Easy to install and powered by long-lasting batteries, it’s ideal for any space prone to flooding or leaks—even remote outbuildings.

Specifications

Number of Batteries6 AAA batteries required.
Voltage3 Volts
Control MethodApp
Mounting TypeTabletop Mount
Sensor TechnologyWater Leak Sensor Technology
UPC750258361643
Maximum Range0.25 Miles
ManufacturerYoSmart
Part NumberYS7903-UC*3
Item Weight8.8 ounces
Product Dimensions2.52 x 2.52 x 0.98 inches
Item model numberYS7903
Batteries6 AAA batteries required.
Item Package Quantity1
Batteries Included?No
Batteries Required?No
Battery Cell TypeAlkaline

Have a Question? See What Others Asked

Can you replace the batteries?
Is this a dumb proprietary system or does it ingrate with smart home technologies, ie Z-wave Zigbee etc?
Do you have any water leak sensors that have audio as well as the app reminder? Or are these just app reminders?
What frimware version do you have on these D or E? Tx

Reviews

4.8

All from verified purchases

L**R

Night and Day Difference: YoLink Smart Water Valve Controller System is a Game Changer!

After having constant issues with the Guardian water leak detection system, I was on the hunt for a more reliable and user-friendly alternative, and I’m so glad I found the YoLink Smart Water Valve Controller! The installation was a breeze, taking me around 30 minutes to set up the controller, and a bit more time to configure and place 16 leak detectors around the house. The process was straightforward and easy, even without the need for a plumber – it's truly DIY-friendly.Now, comparing this to the Guardian system is like night and day. The Guardian was a headache, constantly failing, poorly designed, and honestly, it cost a fortune. Each Guardian controller was $50, and they kept failing on me. With YoLink, I’ve found a much more reliable and cost-effective solution that works exactly as advertised.Setting up the YoLink system was incredibly intuitive. The app is user-friendly, and I was able to easily configure the settings, including the wireless range, which works flawlessly. Even with multiple walls between devices, the system remained reliable with no drop in connection. It’s great to have peace of mind knowing that everything is connected, and I can manage it all from my phone.One tricky part for me was figuring out how to automatically trigger the water valve to close when a leak is detected, but I solved that by using the Automation tab in the app. Once I set up the events, the system worked perfectly. Thankfully, I didn’t need to watch the instructional videos since I’m already familiar with these kinds of systems.I’m beyond impressed with how well this system works. It’s easy to update and configure, and I now have total peace of mind knowing my home is protected against water leaks. If you’re tired of dealing with a poorly designed, expensive system like I was, I highly recommend the YoLink Smart Water Valve Controller! It’s been a total game changer for me.**A++++ – Highly Recommended!**

D**S

A Must-Have for Peace of Mind!

The YoLink Water Leak Sensor 3-Pack add-on pack has been an absolute game-changer for protecting my home. I already had a YoLink hub set up, and adding these sensors was seamless. Within minutes, I had all three sensors connected and strategically placed around my home—under the kitchen sink, near the water heater, and next to the washing machine.The range is fantastic, even sensors far from the hub still connects flawlessly. The real-time alerts are super reliable and give me peace of mind, especially when I'm not home.If you already have the YoLink system, these sensors are a no-brainer for expanding your home's water leak detection. They’re simple, effective, and give you one less thing to stress about.

U**E

I love the Quality and Functionality of the YoLink products.

Excellent product. I have one under every possible leak site in our residence. On under a toilet actually detected a leak under a toilet and saved me a major damage/cleanup. I also use the YoLink temperature sensors in all the 3 compartments of my refrigerator. They all work well and through the app they also tell you the battery charge level.

B**S

Peace Of Mind From Water Leaks and Flood Damage To Property

I recently purchased the YOLINK Water Leak Sensor 3-Pack and have been extremely impressed with its capabilities. As a homeowner, one of my biggest fears is a water leak or flood damaging my property and causing expensive repairs. However, with the YOLINK water leak sensor, I now have peace of mind knowing that I will be alerted immediately if any water is detected.The setup process was very easy and only took a few minutes. I was able to connect the sensors to my YOLINK Hub via my Wi-Fi network and already had downloaded the YOLINK app on my phone. The app is user-friendly and allows me to monitor the sensors and set up custom alerts. I appreciate that the sensors use LoRa technology, which allows for a 1/4 mile open-air range. This is perfect for larger homes or properties.What I love most about the YOLINK water leak sensor is that it not only detects water leaks but also alerts me to potential flooding. This is especially helpful for those who live in areas prone to heavy rainfall or natural disasters. I have already received alerts for small leaks under my sink and was able to quickly address them before they turned into bigger issues.Another great feature is the ability to receive text and email push notifications. This ensures that I am always aware of any water issues, even if I am away from home. I can also set up multiple users on the app, so my family members can also receive alerts and stay updated on any potential leaks.I also appreciate that the sensors are small and discreet, making them easy to place in various areas of my home. They have a sleek and modern design, and I can easily hide them under sinks or behind appliances without them being noticeable.Overall, the YOLINK Water Leak Sensor 3-Pack has exceeded my expectations in terms of functionality and reliability. It has given me peace of mind and saved me from potential costly water damage. I highly recommend this product to any homeowner looking for an effective and easy-to-use water leak and flood detector.

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Fatima A.

Best international shipping I've ever tried. Worth every penny!

3 days ago

Rajesh P.

Customer service was outstanding when I had questions about the product.

2 days ago

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£52.30

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Khalid Z.

Great experience from order to delivery. Highly recommended!

1 week ago

Rajesh P.

Customer service was outstanding when I had questions about the product.

2 days ago

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