eufy Water and Freeze Sensor with Remote Alerts



  • Instant Notifications*: Protect your home from leaks, water damage, and damage from freezing temperatures. Get notifications if water is detected or if the temperature drops below freezing.
  • East to Set Up: Just place it anywhere you want to detect water or freezing temperatures
  • Replaceable Battery with 2-Year Battery Life: The single replaceable battery lasts up to 2 years.
  • Stable Connection to HomeBase: Sub-1G connectivity ensuIres a stable connection to HomeBase 2 or 3 all around the home and yard.
  • One App Controls All: Links to HomeBase and the eufy Security app. Easily get notifications and check the battery status.
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Quick Intro

No installation required

There's no need for wiring, just place on the ground to instantly start detecting leaks.When water is detected, the sensor immediately informs HomeBase, which then alerts you through an audible alarm and a real-time phone notification*.

Small Size, Long Lifespan

With space-saving dimensions of 2.6 in × 2.6 in × 1.2 in. It provides enhanced water resistance (IP65) while staying lightweight. A single battery (replaceable) can last more than two years.

Strong and Stable Signal

Stable connectivity with HomeBase is achieved through Sub-1G communication. If a leak is detected, it tells HomeBase, which emits a sound or sends a notification* to your phone.

Connects with HomeBase S380 and S280

HomeBase makes sure you get instant notices* about your home via the app.

Home Monitoring Service with No Monthly Fee


Power Source
Operating Temperatures


Is HomeBase necessary to receive notifications?
Can we customize the temperature that triggers a notification?
What is the maximum operating distance from the sensor to HomeBase?
What is included in the box?
Does Water and Freeze Sensor have a built-in alarm?
*Push notifications with thumbnail previews require thumbnail preview images to be temporarily stored in the cloud.