Shelly Flood

Flood sensor with temperature control



What is Shelly Flood?

Flood sensor with temperature control

With Shelly Flood, you can monitor not only the temperature of your home but also receive an instant notification if there is water or liquid leakage is detected.


  • No HUB required.
  • Long-lasting battery.
  • You will receive a notification immediately if there is any liquid detected by Shelly Flood.
  • Be aware of temperature fluctuations and keep your floor heating at the desired temperature.
  • Free history on the cloud.
  • It can be integrated to work with all other Shelly devices.
  • Compatible with Android, iOS, Amazon Alexa, Google Assistant, and home automation servers using MQTT, CoAP, and REST API.
  • Easily make your Arduino project live and usable in your automation project.


Battery life 18 months
Battery type CR123A – NOT included
Power supply AC No
Power supply DC No
Illumination measurement No
Motion detection No
Open/Close No
Tilt angle detection No
Vibration detection No
Water detection Yes
Temperature measurement range – 40°C ~ 60°C (± 1°C)
Humidity measurement range
Operational temperature -40 to + 40 °C
Device power consumption < 1 W
Local and remote control Yes
Sunrise/Sunset Yes
Weekly Schedule Yes
Wireless/WiFi Protocol 802.11 b/g/n
Radiofrequency 2400 – 2500 MHz
Radio signal power 1mW
Range up to 50 m outdoors and up to 30 m indoors (depending on the building materials)
Size 70mm x 19 mm

Device pinout


Use cases

Floor heating control

Floor heating creates coziness and comfort during the cold seasons. Use yours only when you need it with Shelly Flood. This tiny device allows you to adjust the temperature of your floor heating system while maximizing energy efficiency.