Shelly Flood S Gen4
$39.00
Protect your home from costly water damage with the Shelly Flood S Gen4. This compact smart water leak sensor features fast, reliable detection, a built-in alarm and flexible Wi-Fi, Zigbee and Matter connectivity for instant alerts and smart home automations.
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Water & rain sensor.
Shelly Flood S Gen4.
Multi-protocol support
Supports Matter
Certified for the new Matter standard – works directly with Apple, Google and Alexa.
Water & Rain
Battery-powered
Battery-powered for flexible, uninterrupted operation: up to 2 years battery life (1 x CR123A included).
Extremely fast processor
Gen4 – Significantly improved for faster command execution, feedback and notification.
Customisable alert modes
Gen4.
Experience next-level smart home automation with the new 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.
WI-FI
MATTER
ZIGBEE
BLUETOOTH
Monitor.
Real-time leak detection.
Notify.
Instant alerts!
Receive immediate notifications to your smartphone when water is detected, helping you respond quickly and reduce the risk of costly water damage.
Automate.
Spring into action.
At the first sign of a leak or water where it shouldn’t be, your Shelly Flood Gen4 will alert your smart home system which can then trigger other smart devices – such as smart water valves, pumps or sirens or even shut off power in the affected area. Complete peace of mind.
The finer details
|
Physical |
|
Size (HxD): |
23x77 mm / 0.91x3.03 inch |
Weight: |
|
Mounting: |
|
Shell material: |
Plastic |
Shell color: |
White |
|
Environmental |
|
Ambient working temperature: |
-20°C to 40°C / -5°F to 105°F |
Humidity: |
30% to 100% RH |
Max. altitude: |
2000 m / 6562 ft |
|
Electrical |
|
Power supply: |
Battery |
Battery type: |
1 x CR123A (included) |
Estimated battery life: |
approx. 2 years (depending on batteries used, device usage, and network connection strength) |
|
Sensors, meters |
|
Water Detection: |
Yes |
|
Radio |
|
|
Wi-Fi |
|
Protocol: |
802.11 b/g/n/ax |
RF band: |
2401 - 2483 МHz |
Max. RF power: |
< 20 dBm |
Range: |
Up to 30 m / 100 ft indoors and 50 m / 160 ft outdoors
|
|
Bluetooth |
|
Protocol: |
5 (LE) |
RF band: |
2402 - 2480 MHz |
Max. RF power: |
< 20 dBm |
Range: |
Up to 10 m / 33 ft indoors and 30 m / 100 ft outdoors
|
|
Zigbee |
|
Protocols: |
802.15.4 |
RF bands: |
2405 to 2480 MHz |
Max. RF power: |
< 20 dBm |
Range: |
Up to 100 m / 328 ft indoors and 300 meters / 984 ft outdoors
|
|
Microcontroller unit |
|
CPU: |
ESP-Shelly-C68F |
Flash: |
8 MB |
|
Firmware capabilities |
|
Schedules: |
No |
Webhooks (URL actions): |
10 with 2 URLs per hook |
Scripting: |
No |
MQTT: |
Yes |
UDP |
Yes |
KVS (Key-Value Store): |
Yes |
Product Questions & Answers
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Shelly Flood Gen4
Stay one step ahead of water damage. Smart flood sensor with a leak sensor cable, ready to catch unexpected issues before they escalate. Delivers real-time alerts and fits perfectly into your smart home system - compatible with Wi-Fi, Zigbee or Matter. Ideal for basements, kitchens, garages, laundry rooms, holiday homes or any area at risk of flooding or water damage.

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