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New Release
LeakStop 1
Smart Ultrasonic Water Meter
The only solution designed to automatically stop running water in home, office, or apartment toilets and sinks. Equipped with auto shutoff valve, prevents water waste, real-time monitoring, LoRa range.


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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. Itโs 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
โFrom the simple setup to the swift and reliable alerts, YoLinkโs water leak sensors impressed.โ

Best Whole-House System
โThe 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.โ

Top Pick Best Smart Security Systemes
โComprehensive set of door and window sensors at an affordable price.โ

โ[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 qualityโ

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 1297 reviewsusing it to notify me when the mail gets delivered.

Very easy to install and use. I ordered the wrong switch and their customer service was quick to assist and got the correct one to me. Thanks.

I own a restaurant and currently have 20 of these in all my coolers/feezers along with a leak detection unit in the basement (that alone has saved my water heater TWICE!) I also had a walk-in cooler go down while I was closed and the alarm on my app saved me thousands in products! I recommend these to anyone who wants peace of mind your equipment is working the way it should!

NEw vALvE COnTroller DOesn'T WORk. ANd your ResponsE bOx kEEps cHanging LEtters TO caps.

My local water authority requires us to have some means of keeping track of all persons who enter our facility. With multiple codes possible for several levels of access this deadbolt was just the answer. Now to see how well it works in our frozen north.

These temperature and humidity sensors are excellent. Very accurate and super handy to have. Battery lasts well over a year.

I use these water motorized water valves in conjunction with a flow device to turn off running water inside our warehouse building. I have the HUB located about 250 feet from the last valve and it works well sending the signal through several concrete block walls.

this is the 2nd YoLink valve controller i have installed. I like simple things. One water shutoff, valve controller and 2 water sensor pucks, no hub needed or wanted. it took me 30 mins to find the simple procedure to pair the sensors to the valve controller on your website....keep things simple, place a link with that title or something...just a thought, i am sure i will be buying more so i wont forget how to pair items...its a simple product does the job, keep it simple to install and program...hubs and internet are just more things to go wrong and defeat the whole purpose on shutting off water IF a leak occurs...thanks!

I purchased two temperature sensors.two different models of motion detectors, outdoor temperature and humidity sensor and a smart hip.
When my order arrived I unboxed everything and started reading the set up instructions.
Within about 90 minutes everything was set up and functional.
We can now monitor the temperature in both of our freezers,detect motion in my work shop, motion when our mail arrives. We can also monitor the outdoor temperature. All of this from our phones.
Everything went smoothly and worked as exceptionally well.
Thank you

Great products. Great App. I'm buying more devices and recommending it to others.

When I opened the box of the X3 Smart Temperature & Humidity Sensor I was surprised to see that it was already on. I even checked to see if the display had a protector on it with temperature markings. But no, it was telling me the temp in the box. I think this bodes well for battery life. Transmission distance seems good also as I have it in a detached garage on the other side of my property near the alley. So all in all I think this is a good start.

Installed the whole system with 5 sensors by myself and only difficulty was the access to the shut off due to positioning of my water purifier tanks took s little gymnastics to get to the shut off valve- super happy
