Shelly Wi-Fi Flood Sensor



Shelly Flood Sensor detects any type of water leakage and is the world’s first Wi-Fi Flood sensor with Temperature measurement, working up to 18 months on the battery.


Water sensor.

Shelly Flood
Shelly Wi-Fi

No Hub required – Shelly Flood water sensor connects to your home Wi-Fi network.

Shelly HT - Humidity
Water sensor
You will receive a notification immediately if there is any liquid detected by Shelly Flood.
Temperature sensor
Monitor temperature fluctuations and keep your floor heating at the desired temperature.
Easy to use

The only thing you need to manage your Shelly Flood is a mobile phone and the Shelly Cloud app.

Shelly DW 2 - Wire free
Easy installation
Completely wireless – Simply place the sensor anywhere you would like to monitor for water.
Shelly - Rechargeable
Long-lasting battery

Feel more comfortable with Shelly Flood’s long-lasting battery life of up to 18 months.

Shelly - Control remotely
Monitor remotely
Monitor you home, no matter where you are via the Shelly Cloud app and your phone.
Free cloud storage

With Shelly Flood you can store recorded data for temperature readings for up to a year.


No installation or wiring needed! Just put your sensor anywhere you think there is a chance for leaks. Now you will always be notified when there is any water in the wrong places.

Shelly Flood - Small

Shelly Flood - Temperature


Shelly Flood detects leaks and water… but also measures temperature. Perfect for monitoring underfloor heating.


Its small size allows it to be placed anywhere in your home, where there is even a slight chance of water leakage.

Shelly Flood - Detection


The moment Shelly Flood detects water… you can automatically turn off electrical devices connected to Shelly power modules.


Shelly Flood securely records temperature measurements in the cloud for up to one year – for free.

Shelly HT - Cloud History

App Control.

With the best cloud service in the World, user-friendly interface, scenes, bulk control and much more… the Shelly Cloud application allows you to control your home from anywhere. Each Shelly can be integrated and works with all other Shelly devices in the Shelly app.
Shelly 1 - App Control

Flexible control.

Shelly Wi-Fi devices can work without a hub… but they are also compatible with…

Full control.

Shelly is an open platform. With the embedded web server and HTTP commands, Shelly can be made compatible with your home automation systems and projects… securely and easily.

Shelly - Developers

The finer details


Battery: 1xCR123A – NOT included
Battery life: 18 months
Power supply AC: No
Power supply DC: No

Special functions

Scene control: Yes - Activate or deactivate synchronized actions of several Shelly devices
Device control: Yes - Activate or deactivate individual Shelly devices
Temperature sensor: Yes (– 40°C ~ 60°C (± 1°C))
Lux sensor: No
Tilt sensor: No
Vibration sensor: No
Motion sensor: No
Water sensor: Yes


Operational temperature: -40ºC to +40ºC
Local and remote control: Yes
Sunrise/Sunset timer: Yes
Weekly schedule: Yes


Wi-Fi protocol: 802.11 b/g/n
Radio frequency: 2400 – 2500 MHz
Radio signal power: 1mW
Wireless range: up to 50 m outdoors and up to 30 m indoors (depending on the building materials)


Size: 70mm x 19mm

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