Is HomeBase necessary to receive notifications?

Yes. The sensor uses efficient Sub-1G communication with HomeBase to maximize battery life. Compatible with both HomeBase 2 and 3.

Can we customize the temperature that triggers a notification?

No. The sensor is designed to detect when the temperature drops below freezing temperature only.

What is the maximum operating distance from the sensor to HomeBase?

The maximum operating distance is 200 meters.

Does Water and Freeze Sensor have a built-in alarm?

No, the sensor itself does not have an alarm. Alerts are sent to the HomeBase S380 or S280, where the alarm sound can be customized via our app.

Can I use this Sensor in other countries?

No, you can only use it in United States. Due to different frequency-band requirements, this product can not work in other countries.

Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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eufy Security Water and Freeze Sensor with Remote Alerts, IP65 Waterproof, 2-Year Battery Life, HomeBase Required, Compatible with HomeBase 2 and 3, Optional 24/7 Protection Service, App Control

eufy Security Water and Freeze Sensor with Remote Alerts, IP65 Waterproof, 2-Year Battery Life, HomeBase Required, Compatible with HomeBase 2 and 3, Optional 24/7 Protection Service, App Control

Product ID: 616658011

Details

Colour
White
Brand
eufy Security
Power Source
Battery
Compatible Devices
HomeBase 2 3
Battery Description
Lithium-Ion

💧Instant water leak detection

🔋2-year replaceable battery life

❄️Freeze temperature alerts

Description

💧 Freeze or flood? Stay one step ahead with eufy’s smart sensor.

STAY AHEAD OF DISASTER - Instant remote alerts keep you informed the moment water or freezing temps are detected—no more surprises.
EFFORTLESS SETUP ANYWHERE - Compact, tabletop mount design lets you place it wherever risk lurks—basements, kitchens, or outdoor spaces.
RELIABLE LONG LASTING POWER - Replaceable lithium-ion battery powers your sensor for up to 2 years, minimizing maintenance hassle.
WEATHERPROOF BUILT TO LAST - IP65 waterproof rating means it thrives in damp or freezing environments, protecting your home rain or shine.
SEAMLESS SMART HOME INTEGRATION - Connects via sub-1Ghz to HomeBase 2 or 3 for rock-solid, whole-home coverage and control through one app.

The eufy Security Water and Freeze Sensor offers instant remote notifications for water leaks and freezing temperatures, powered by a 2-year replaceable battery. With IP65 waterproofing and sub-1Ghz connectivity to HomeBase 2 or 3, it ensures reliable, whole-home protection controlled seamlessly via the eufy Security app.

Specifications

ASIN	B0CHM645Z6
Battery Description	Lithium-Ion
Brand	eufy Security
Colour	White
Compatible Devices	HomeBase 2, HomeBase 3
Control Method	App
Customer Reviews	4.7 out of 5 stars 427 Reviews
EU Spare Part Availability Duration	2 Years
Global Trade Identification Number	00194644168834
Manufacturer	Anker
Model Number	T8920
Mounting Type	Tabletop Mount
Number of Batteries	1 Lithium Ion batteries required. (included)
Power Source	Battery Powered
Sensor Technology	Capacitive, Thermistor/Thermocouple
UPC	194644168834
Unit Count	1.0 Count

Reviews

A**F

Device not linking

Unable to connect. Tried on multiple home base 3 units. Keep on failing to connect.

18.07.2025

M**N

Exceeded My Expectations, Works Great!

For someone who lives in an area where basements flood in the winter, this product provides the peace of mind I need. Setting up was very easy, just putting in the provided battery and going through the steps in the app to connect it to my homebase. Through some testing I did, even the smallest drop of water will instantly send a message to my phone alerting me that water has been detected. As someone who travels a lot for work, it's nice to know I won't be unknowingly coming back to a flooded house.

20.09.2025

J**T

Great early warning for overflowing toilets

Works as intended. Paired without issue.

3.04.2026

P**N

Water sensor Eufy

Perfect as most Eufy products are

7.01.2026

A**Z

Easy setup, excellent product.

Exactly what was needed. Scan the QR code on the item, goes right into the eufy app. So easy. Couple drops of water set it off. You can get alert messages on your phone, the siren on the hub, or both. Great product!

14.01.2026

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