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YoLink Water Leak Sensor 1

YoLink / YS7903

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Does the YoLink Water Leak Sensor 1 work with HomeKit, Alexa, and Google Home?

The YoLink Water Leak Sensor 1 (YS7903) is a battery-powered puck leak sensor in an IP68 housing for indoor use.

It suits Alexa users, with native support through the maker's hub. Home Assistant users reach it through an integration (the maker's hub).

At a glance: works withHow this is decided: cited platform facts only
HomeKit
Unknown
Unknown
Google Home
Unknown
Unknown
Alexa
Yes[1]
Proprietary + hub, native
SmartThings
Unknown
Unknown
Home Assistant
Yes[2]
Proprietary + hub, via yolink

Key facts

YoLink Water Leak Sensor 1 facts

How facts are sourced: every cell cites its source below
FactValue
StatusCurrent[1]
TypePuck leak sensor[1]
Power2 AAA batteries[1]
LocationIndoor only[1]
Key specIP68 housing; probes on top and bottom[1]
RadioLoRa to a YoLink hub[1]
RangeUp to 2,034 ft (620 m) open air[1]

Integration paths

How the YoLink Water Leak Sensor 1 connects

1 pathHow facts are sourced: every cell cites its source below
PathRequiresiLocaliFeatures lostPlatformsi
Proprietary + hubHUBYoLink Hub[1]unknownunknown
About these columns
Requires
Hardware the path needs beyond the device and a controller.
Local
Yes when control on this path keeps working with the internet down.
Platforms
The platforms that work with the device on this path: Native (out of the box), Via integration (needs an add-on) or Not supported.

Home Assistant and Homey

Ways to add the YoLink Water Leak Sensor 1

2 routesHow facts are sourced: every cell cites its source below
PlatformLeveliIntegrationDetailsEvidenceLimitations
Home AssistantNative (cloud)[2]yolinkProprietary + hub
  • Quality: No score[2]
  • IoT class: Cloud Push[2]
  • Works with Home Assistant: Not certified[2]
Model namedNone stated
HomeyOfficial app (cloud)[3]com.yolinkProprietary + hub
  • App: Official[3]
  • Runs on: Homey Pro, Homey Cloud[3]
Product line namedNone stated
About these columns
Level
How the device gets into the platform on this route. The headline is the best route: local before cloud, direct before bridged, core before community. The methodology page lists every level.

Cite this page

YoLink Water Leak Sensor 1. Smart Home Canon. https://smarthomecanon.com/devices/yolink-water-leak-sensor-1. Last checked 2026-10-20.

Sources

  1. [1]
    MFRshop.yosmart.com / YoLink Water Leak Sensor 1 - YoLink
    Accessed Back to text
  2. [2]
    DOChome-assistant.io / Home Assistant: YoLink integration
    Accessed Back to text
  3. [3]
    DOChomey.app / Homey App Store: YoLink
    Accessed Back to text