Shelly Flood Gen4 smart flood sensor
Shelly Flood Gen4 smart flood sensor
Stay one step ahead of water damage.
A smart flood sensor with a leak-detection cable, built to catch problems early, before they turn into serious damage. It sends real-time alerts and fits seamlessly into your smart home system.
Ideal for basements, kitchens, laundry rooms, parking garages, storage rooms, rental homes or any area at risk of moisture and leaks.
- Smart flood sensor
- Zigbee and Matter support
- Built-in Bluetooth
- Detects both flooding and rain
- ip44
- Battery powered (batteries included)
- Comes with a 2-meter detection cable
More information
Official Shelly videos
Features
Wireless flood and temperature sensor, suitable for installation near sinks and washing machines, in basements and more.
- Connects directly to Wi-Fi, no extra hub needed
- Zigbee support
- Matter support
- Works with Apple, Alexa, Google Home, Samsung, Home Assistant and more
- Extendable leak-detection cable (sold separately)
- Built-in buzzer for audible alerts, in addition to app notifications
- Up to 2 years of battery life, with battery status and alerts in the app
- Sends an alert to your phone, email and smartwatch when flooding is detected
- Requires 4 AA batteries (included)
- Three alarm modes: critical, normal and power saving
- IP44 rated for protection against water splashes and dust, making it ideal for wet or damp areas.
- Dimensions: 97 x 76 x 25 mm
- 2-year manufacturer’s warranty
- Smart flood sensor, smart home
Who it’s for
For anywhere a leak can turn into damage: under the sink, next to the washing machine or water heater, in the basement, in the parking garage or in a rental apartment. The sensor detects water and sends an alert to your phone and email, and sounds a local alarm as well.
What to know before you install
- Four AA batteries included, lasting up to 2 years.
- Connects directly to Wi-Fi, no hub needed. Also supports Zigbee and Matter.
- The detection cable is 2 meters long. If you need to reach farther, there’s an extension cable.
- Splash resistant (IP44).
FAQ
Can it shut off the water automatically?
Yes, with an electric valve and a relay such as Shelly 1PM Gen4: set up a scene that closes the valve as soon as the sensor detects water.
What happens when the internet goes down?
The on-site alarm sounds even without internet. The phone alert is sent once the connection is restored.
Does the sensor detect rain too?
Yes, it has a rain detection mode, for example on a balcony or at a drain opening.