eufy Water and Freeze Sensor with Remote Alerts

  • Instant Notifications*: Protect your home from leaks, waterdamage, 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 repfaceable 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 Seciurity app. Easily get notifications and check the battery status.
  • Water Sensor
    Water Sensor
  • Security Siren
    Security Siren
  • Entry Sensor
    Entry Sensor
  • Motion Sensor
    Motion Sensor
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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.


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?

eufy Water/Freeze Sensor
*Push notifications with thumbnail previews require thumbnail preview images to be temporarily stored in the cloud.

Customer Reviews

Based on 1 review

Credit where credit is due, these cams are awsome. After having many CCTV systems over the years, some wired, some wireless, I bought the EUFY doorbell with the Homebase 2 and it has been working faultlessly for the last 9 or so months, happened upon the 2c wireless cam so thought I would try one. Really good range, connects where others wont and in record time, average connection time is approx 2 sec for all cams wherever they are placed. I have the homebase in the hall and it will connect to my garage cam ( the furthest away at about 120ft) in two seconds, pretty awsome and the picture quality is first rate 1080p. I now have 5 cams and the doorbell, all work faultlessly and on a side note the first cam I put up was fully charged prior to instalation and after two weeks was still showing 100% charge so the 180 day charge claim is looking good, 100% recommended.