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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
"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
"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
"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.
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 1517 reviewsWe added a few motion sensors coupled to Yolink smart outlets to shut off ACs at our vacation rentals when guests are not in the unit after a 20 minutes delay. The sensors work well, very responsive. Automation can be a little tricky due to some limitation in the software, but it is working very well thus far. Interested to find out how long the batteries will last since the sensors are constantly active during a normal day, but they will be very easy to replace anyway.
Looking forward to years of use.

I+have+the+Yolink+system+protecting+my+home+from+water+damage+with+water+sensors+located+around+appliances%2C+under+sinks+and+a+pulsing+flow+meter+on+the+water+supply+pipe.+If+a+sensor+senses+water+on+the+floor+or+a+sustained+flow+of+water+is+measured+by+the+flow+meter+a+Yolink+electric+valve+will+close+the+water+supply+to+the+entire+home.+It+has+proven+itself+a+few+times+already.+We+had+several+automatic+timers+throughout+the+house+controlling+various+plant+lights.+Each+timer+was+separately+set.+Changing+time+on+them+twice+a+year+was+not+fun.+Every+timer+was+replaced+with+a+Yolink+mini+smart+plug.+Setting+the+on-off+times+for+the+plant+lights+can+now+be+done+while+sitting+comfortably+it+my+chair.+As+a+bonus+we+got+a+discount+on+our+homeowners+insurance.+Tech+support+has+been+great.+People+who+have+seen+my+set-up+have+asked+where+to+get+this+system.+Yolink.+

The technology, price point, dependability and feature rich devices this company offers is by far the best I’ve owned in a very long time!
I will continue to recommend and install YoLink products.
Their LoRa technology is unmatched and the device integration and App set up is quick and easy.
Response time from water detection to notification and shut off valve integration is immediate.
The device foot print is small and blends in with your surrounding decor.
You will not be disappointed.

I love Yolink products, a tad expensive, but worth it. Please make ceiing fan alexa compatible

I have several water leak sensors and they have been in use for years. Its the best water warning system. I dont usually have a water leakage situation but when I did, the house alarm went off and my phone got email messages so I could deal with the situation before any real damage occurred.

I bought it to monitor my garage door and for the price it is amazing value. Simple setup though figuring out how to make it do voice announcements for the door being left open took a few minutes.... needed to run though automations, but I got it there. Would highly recommend if you are looking for a simple DIY monitoring system without running wires.

Really like easy set up. Needed a good outdoor sensor with dispkay

The distance that these devices work at always amaze me. I use them on my water heater overflow pans, my AC overflow pans, behind my washer, and under my sinks. Last week when my AC drain plugged up from accumulation of algae which will grow in the drain pipes / pans I got both an email and text alerting me to the issue before things could get out of hand. I don’t know how I got along without these before. I also use the temperature / humidity sensors in all my refrigerators and freezers so I know if I am having any problems there as well. I can’t wait for YoLink to begin releasing security cameras for the outdoor environment - I will be sure to purchase several. Thanks YoLink for all the fantastic stuff you make!

No comment

At this point the door kits are working as I hoped.

Very good product. Long range. Great battery life. Works good through metal enclosures. like a refrigerator/freezer

Great product. Very long range and battery life. Very impressive combination. All the others I have had require frequent battery changes. These work great inside frig/freezer. Have never seen that ability

Finally got everything working. Took a bit of time to get all of my sensors reprogrammed. Had to learn the process all over again because this system works so well and has been in place a long time. Yolink is great and help me make an old system new again. Thanks so much

We occasionally left the garage door open at night. Not often but enough that it would have been problematic had we not lived on a quiet street. I wanted a simple way of getting told when the door open, closed but most importantly had been left open for more than 15 minutes. This was set up in under 30 minutes including the automations to make voice alerts "Garage door just open", "Garage door just closed" and a louder one "Some git left the garage door open again". Highly recommend if your garage has stuff in it you'd rather not have stolen.
