The Shelly Flood Gen4 detects leaks the moment they happen - so you can stop water damage before it gets bigger - with instant alerts directly to your mobile device or home automation system.
With its precise leak sensor cable and smart home compatibility, it offers an easy way to protect your property. Whether you're a smart home user, a holiday homeowner, or managing multiple properties, this device lets you monitor and control leaks from anywhere.
Stay one step ahead of water damage and catch unexpected issues before they escalate. Delivers real-time alerts and fits perfectly into your smart home system. Ideal for basements, kitchens, garages, laundry rooms, holiday homes or any area at risk.
With support for Wi-Fi, Bluetooth and Zigbee, you can integrate it into a wide range of smart home systems without needing a hub - including Home Assistant!
Flood & Rain Detection - Detects leaks, spills, or rainwater intrusion with instant alerts to your phone or home automation system
Multiprotocol connectivity - Highly compatible! Choose the best protocol for your smart home - Wi-Fi, Bluetooth or Zigbee
Battery-powered - Powered by 4x AA 1.5V (included) for reliable, low-maintenance protection
Customizable Alert Modes - Choose from three smart alarm styles: Intense, Normal, and Economic
Smart Scenes & Automation - Set automation scenarios, like turning off appliances, by combining Shelly Flood Gen4 with your other Shelly or third-party devices.
You may require a Zigbee gateway to use this device with Zigbee in your home automation system. Check out our Zigbee section for some great USB options, many of which are Raspberry Pi-compatible.
Shelly Gen4 device
Experience next-level smart home automation with Shelly Gen4. Each Gen4 device offers multi-protocol connectivity, featuring Wi-Fi, Bluetooth, Zigbee, and Matter. Choose your connection and set up your Shelly device to work with your preferred smart home network in no time.
Features
New: Multiprotocol connectivity: Choose from Bluetooth, Wi-Fi or Zigbee
Matter-certified: Integrates into any Matter ecosystem
Leak detection: 2m extendable leak sensor cable for coverage in small and large areas
Supports two modes: Flood Detection and Rain Detection
Three built-in flood alarm modes: Intense, Normal, and Economic
Battery-powered: For flexibility and uninterrupted operation, included in the pack
Protection class IP44: Built tough with an IP44 environmental resistance design
Smart automation: Supports local automation actions for independent operation
Control from anywhere: Use the Shelly Smart Control App or your favourite automation platform.
Works with all major systems: Apple HomeKit, Google Home, Home Assistant
Specifications
Physical
Size (HxWxD)
97×76×25 mm
Weight
91g (without batteries) 185g (with batteries)
Mounting
Wall
Shell material
Plastic
Shell color
White
Environmental
Ambient working temperature
-20°C to 40°C
Humidity
30% to 70% RH
Max. altitude
2000m
Electrical
Power supply
Batteries
Battery type
4× AA 1.5 V
Estimated battery life
Approx. 2 years (depending on batteries used, device usage, and network connection strength)
Sensors, meters
Leak sensor cable
2 m, extendable (up to 150 m), attaches via designated port
Radio – Wi-Fi
Protocol
802.11 b/g/n/ax
RF band
2401 – 2483 MHz
Max. RF power
< 20 dBm
Range
Up to 30m indoors and 50m outdoors (depends on local conditions)
Radio – Bluetooth
Protocol
5 (LE)
RF band
2402 – 2480 MHz
Max. RF power
< 20 dBm
Range
Up to 10m indoors and 30m outdoors (depends on local conditions)
Radio – Zigbee
Protocols
802.15.4
RF bands
2405 – 2480 MHz
Max. RF power
< 20 dBm
Range
Up to 100m indoors and 300m outdoors (depends on local conditions)
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