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Exclusive Solution for Running Water Control
The YoLink LeakStop is the only solution designed to automatically stop running water in home, office, or apartment toilets and sinks. Prevent water waste instantly and safeguard your property by stopping unnecessary water flow when leaks or excess usage are detected.
![Elderly woman on bed next to a FlexFob attached to wall next to bed for easy access.](https://ucarecdn.com/60d37ce9-92d3-424d-ae02-665ead846c80/-/format/auto/-/preview/3000x3000/-/quality/lighter/leakstop_toilet.png)
Offline Protection
![Smart white handheld fob from YoLink. Four buttons aligned in a column from top to bottom labeled 1,2,3, and 4 with colors green, red, yellow, and blue.](https://ucarecdn.com/e4c60a9d-720f-485a-8afa-58ba9e7a209f/-/format/auto/-/preview/3000x3000/-/quality/lighter/leakstop_Works_without_power.png)
Stay Informed Anywhere
Real-Time Alerts
![Family reading next to a FlexFob mounted on the wall beside the bed.](https://ucarecdn.com/311f6475-dff0-48c5-8551-c3ec5f191b73/-/format/auto/-/preview/3000x3000/-/quality/lighter/real_time_alert_toilet_leak.png)
Receive instant alerts via app, SMS, or email, ensuring peace of mind that you're informed of leaks immediately no matter where you are.
Continuous Alarms
![Possible application for FlexFob being used to get a text notification on phone.](https://ucarecdn.com/46d316d7-4330-484e-9733-f7d482fd1222/-/format/auto/-/preview/3000x3000/-/quality/lighter/continuous_alarm_toilet.png)
Enable continuous alarms to stay informed of ongoing issues until addressed, ensuring persistent notifications for immediate response.
Customizable Sound Alerts
![Lamp lighting scene in the living room as example application for Smart FlexFob.](https://ucarecdn.com/fdd22b41-077b-479c-af2b-fac2e8ab37a5/-/format/auto/-/preview/3000x3000/-/quality/lighter/customizable_sound_alerts.png)
Choose sound alert settings to match your needs, with a simple option to enable or disable the beep for flexibility in different situations.
![Smart Deadbolt Lock](https://ucarecdn.com/83a05856-33e4-4a79-8811-8b6b98191b51/-/format/auto/-/preview/3000x3000/-/quality/lighter/leakstop_YS5009-02.jpg)
![Smart Deadbolt Lock](https://ucarecdn.com/f0ff7c73-2ce5-4cdd-b8ee-e31b23315d72/-/format/auto/-/preview/3000x3000/-/quality/lighter/leakstop_YS5009-03.jpg)
![Smart Deadbolt Lock](https://ucarecdn.com/368761b0-0549-4718-b16d-0aef2b9603ad/-/format/auto/-/preview/3000x3000/-/quality/lighter/leakstop_YS5009-04.jpg)
![Smart Deadbolt Lock](https://ucarecdn.com/7bde1ff8-deeb-4be5-9524-318c6f70026b/-/format/auto/-/preview/3000x3000/-/quality/lighter/leakstop_YS5009-14.jpg)
![Smart Deadbolt Lock](https://ucarecdn.com/a928db18-045e-4127-a6e8-6ce59383989b/-/format/auto/-/preview/3000x3000/-/quality/lighter/leakstop_YS5009-16.jpg)
![Smart Deadbolt Lock](https://ucarecdn.com/0f3fd50b-5a2f-4591-960e-a4012c2e4c85/-/format/auto/-/preview/3000x3000/-/quality/lighter/leakstop_YS5009-17.jpg)
Detailed Water Usage Insights
Hassle-Free Refunds
Return within 30 days for a full refund
2-Year Warranty
Have peace of mind with YoLink warranty
Easy DIY Installation
Simple and clear do-it-yourself installation
Lifelong Customer Support
Get dedicated support for your product
![Smart Deadbolt Lock](https://ucarecdn.com/45d8ece1-8d14-4078-b455-c9764c437d70/-/format/auto/-/preview/3000x3000/-/quality/lighter/leakstop_YS5009-01.jpg)
Hubs
First time with YoLink? Make sure to include a hub to begin your smart YoLink Home system, or take a look at our Starter Kits.