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Smart Water Control
FlowSmart All-in-One
Smart Ultrasonic Water Meter
NSF-Certified Drinking-Water-Safe Smart Water Meter — Automatic Shutoff, Real-Time Leak Detection, App Control, 10+ Year Battery


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Customer Reviews
Why people love our products
"Scan qr code, and bind. Can't make setup any. Easier!!! Many components to the ecosystem. Works hand in hand with sensors, for doors, temp. Humidity, motion, water leaks, etc. So versatile of ecosystem, reliability beyond any other! No specialized batteries in all units. They seem to have thought of everything!! Would give all products 6 stars if I could!
- John B.
"Literally saved by thousands of dollars when it notified us of a sewer backup in our basement."
- Donald M.
"These are my only smart home devices that out of all, always work. There have never been any issues. No connectivity issues, no update issues, no battery issues. If you use smart home devices, you know how annoying they can be. YoLink just works, all the time. It’s amazing"
- Marsiv
"I ordered the hub, key fog, motion detectors, moisture detectors and sirens.
Great products! Easy to install, the app is well thought out and flexible and the range is unbelievable. As an AV integrator I've used a LOT of different "smart" products.
These are probably the best I've ever had the pleasure of installing."
- Fred F.
"These devices are brilliant. They are (by far) the least expensive brand of home automation products, have a MUCH longer range than all others, and simply work perfect - all of the time.
- Rick Z.
"Saved my freezer multiple times in the last six months. I'm absolutely thrilled with this product".
- S. Reesx
"Yolink products are the best. I never thought I would buy into a Hub system but that is exactly what makes this product work so well. Device to device paring is what makes there family of devices work so well even without internet or wifi access. Very accurate with nice graphical data in the app to monitor trends"
- Richard
Featured In
- Wired
- This Old House
- Best Reviews
- TurboFuture
Best for Large Properties Water Sensor
“From the simple setup to the swift and reliable alerts, YoLink’s water leak sensors impressed.”

Best Whole-House System
“The system is Bluetooth-compatible with iOS and Android, syncs with IFTTT, and works with smart home arrays like Amazon Alexa, Apple Homekit, and Google Assistant.”

Top Pick Best Smart Security Systemes
“Comprehensive set of door and window sensors at an affordable price.”

“[YoLink] utilizes a low radio frequency protocol (LoRa) to communicate. LoRa signals can penetrate greater distances than WiFi, and this system reduces the associated workload of routers. Every sensor I tested was of good quality”

Why is YoLink the Smart Choice?
Simple, Quick DIY Installation
Most Products Two Year Warranty
Hassle-Free Returns, Free U.S. Shipping for Orders $50+
Lifetime Support, U.S. Phone Support Available
Let customers speak for us
from 1767 reviewsI purchased a new base unit and sensor for my father-in-law’s water heater area along with a 5th sensor for our house near the washer. The install was easy and gives us added peace of mind. Thanks!
The sensors were easy to set up, a quick test showed they’ll sense the water quickly, and the freeze notice already helped me avoid a frozen pipe under my sink.
After a short learning curve, this is a very versatile set of products. I started small and at this time I have a dozen sensors and multiple speaker hubs. Works very well. My security posture has greatly improved.
Awesome product and awesome service
Does what it's advertised to do. I'm becoming more and more impressed with the Yolink line of products.
The sensors have been life changing. I don’t have to get up in the middle of the night to check the greenhouses. The are also very user friendly to set up and monitor.
We had a major water incident in 2024. I have been looking for a system to help prevent a recurrence.
When I came upon YoLink I wanted to give it a try because it was so much less expensive than other systems.
I purchase a control valve and a variety of water sensors. The system was easy to set up and works very well. I does exactly what I want it to do in monitoring potential water leak sources and turning off the main water when it detects a leak.
I am very pleased so far.
Works exactly as needed. Sooo easy to setup. The Engineers at Yolink have made the installation and operation easy and simple. I ordered 3 more different devices for my home.
It’s very easy to program on and off control from phone app
I bought the three pack to help me keep tabs on the temperature across the floors of the new house I moved into. So helpful to get a quick, simple, accurate measure
Added to the hub very easily. Works like a charm.
Easy to install. Works! Well thought out.
I just hope this new one lasts longer than the first unit, that one only lasted about 6 months...
About one month ago, our sump pump system, particularly the pipe coming out from the sump pump, failed. A YoLink water sensor (without a float) and YoLink alarm went off at 1:28am and woke my family up as the water started coming out of the casing and on to the basement floor.
Due to the sensor and alarm going off immediately, we were able to run downstairs (literally) and limit the damage. After starting to demo the area, we found out we were able to air everything out rather than replacing it all (no sewage - just HVAC condensate water). The sensor and alarm litereally saved us thousands of dollars and many additional headaches because we would not have woken up until many hours later when even more water made its way out of the casing on into the neighboring finished rooms.
As soon as that issue was resolved, we decided to buy a YoLink water sensor with a float in it so that we could be notified before the water made it out of the casing rather than afterward like it did about a month ago.
Boy, are we happy we got the float sensor! Less than two weeks after installing the float sensor, it went off as it was supposed to.
The sensor and YoLink alarm it's connected to woke us up two nights/mornings ago at 4:33am as the pipe from the casing came apart...again! This time though, the water hadn't made it out of the casing and there was zero water damage anywhere. We were able to contain the issue without any water overflowing out of the casing and had a plumber out that day to fix the issue, this time hopefully once and for all.
YoLink's water sensors have literally saved us from spending thousands of dollars and having a ton of much bigger headaches. We strongly recommend them. We use YoLink products of various kinds throughout our home and plan on using them for a long time.
In case you're wondering, we weren't paid for this review or compensated, directly or indirectly, in any way, shape or form. We read reviews all the time so we understand the importance of leaving reviews, good or bad, whenever possible.