Water Leak Sensors · Head to head

Shelly Flood S Gen4 vs X-Sense Wi-Fi Water Leak Detector

Full Smart Water Leak Sensors comparison in 2026

Updated August 2026
Data from Amazon and official Shelly and X-Sense sites.
2026 verdict
Across the 2026 comparison, Shelly Flood S Gen4 earns the nod over X-Sense Wi-Fi Water Leak Detector on the strength of weather resistance, connectivity, and integrations. Its clearest strengths are weather resistance, connectivity, and integrations, and it still looks stronger on on device alert light. Pick X-Sense Wi-Fi Water Leak Detector only when warranty and battery life are the deciding factor for your setup. In practical terms, Shelly Flood S Gen4 is the easier product to recommend.
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FeatureShelly Flood S Gen4X-Sense Wi-Fi Water Leak DetectorWinner
Warranty3 years5 yearsX-Sense Wi-Fi Water Leak Detector
Weather ResistanceIP67IP66Shelly Flood S Gen4
Battery Life2 years3 yearsX-Sense Wi-Fi Water Leak Detector
Connectivity2.4 GHz WiFi, Bluetooth, Zigbee2.4 GHz WiFiShelly Flood S Gen4
IntegrationsGoogle Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, MatterHome AssistantShelly Flood S Gen4
On Device Alert LightYESNOShelly Flood S Gen4
SensorsWater LeakWater LeakTie
AlertsWater Leak Alerts, Low Battery AlertsWater Leak Alerts, Low Battery AlertsTie
On Device Alert SoundYESYESTie

Frequently Asked Questions

Which is better overall: Shelly Flood S Gen4 or X-Sense Wi-Fi Water Leak Detector?

Shelly Flood S Gen4 has the stronger overall profile in this comparison, especially for weather resistance, connectivity, and integrations.

What is the biggest difference between Shelly Flood S Gen4 and X-Sense Wi-Fi Water Leak Detector?

Warranty is one of the clearest differences: Shelly Flood S Gen4 lists 3 years, while X-Sense Wi-Fi Water Leak Detector lists 5 years.

Who should buy Shelly Flood S Gen4?

Choose Shelly Flood S Gen4 if your priority is weather resistance and connectivity and that matters more than warranty.

Who should buy X-Sense Wi-Fi Water Leak Detector?

Choose X-Sense Wi-Fi Water Leak Detector if your priority is warranty and battery life and that matters more than weather resistance.

Full comparison table

Compare all 32 Water Leak Sensors side by side

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  • 32 Water Leak Sensors
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