Water Leak Sensors · Head to head

Shelly Flood Gen4 vs Switchbot Water Leak Detector (Sensor Cable Edition)

Full Smart Water Leak Sensors comparison in 2026

Updated June 2026
Data from Amazon and official Shelly and SwitchBot sites.
2026 verdict
Shelly Flood Gen4 is the more complete option versus Switchbot Water Leak Detector (Sensor Cable Edition) in 2026, helped most by warranty, connectivity, and sensors. What pushes it ahead is warranty, connectivity, and sensors, and alerts keeps the advantage from looking narrow. There is still a case for Switchbot Water Leak Detector (Sensor Cable Edition), but mainly if price and weather resistance is what you value most. That makes Shelly Flood Gen4 the clearer recommendation in 2026.
vs
FeatureShelly Flood Gen4Switchbot Water Leak Detector (Sensor Cable Edition)Winner
Price$39.99$16.99Switchbot Water Leak Detector (Sensor Cable Edition)
Warranty3 years1 yearShelly Flood Gen4
Weather ResistanceIP44IP67Switchbot Water Leak Detector (Sensor Cable Edition)
Connectivity2.4 GHz WiFi, Bluetooth, Zigbee2.4 GHz WiFi, BluetoothShelly Flood Gen4
SensorsWater Leak, TemperatureWater LeakShelly Flood Gen4
AlertsWater Leak Alerts, Temperature Alerts, Freeze Temperature AlertsWater Leak AlertsShelly Flood Gen4
Rating4.24.2Tie
Battery Life2 years2 yearsTie
IntegrationsGoogle Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, MatterGoogle Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, IFTTTTie
On Device Alert SoundYESYESTie
On Device Alert LightYESYESTie

Frequently Asked Questions (FAQ)

Which is better overall: Shelly Flood Gen4 or Switchbot Water Leak Detector (Sensor Cable Edition)?
Shelly Flood Gen4 has the stronger overall profile in this comparison, especially for warranty, connectivity, and sensors.
What is the biggest difference between Shelly Flood Gen4 and Switchbot Water Leak Detector (Sensor Cable Edition)?
Price is one of the clearest differences: Shelly Flood Gen4 lists $39.99, while Switchbot Water Leak Detector (Sensor Cable Edition) lists $16.99.
Which one looks better on price?
Shelly Flood Gen4 is listed at $39.99, while Switchbot Water Leak Detector (Sensor Cable Edition) is listed at $16.99. Switchbot Water Leak Detector (Sensor Cable Edition) (better spec).
Who should buy Shelly Flood Gen4?
Choose Shelly Flood Gen4 if your priority is warranty and connectivity and that matters more than price.
Who should buy Switchbot Water Leak Detector (Sensor Cable Edition)?
Choose Switchbot Water Leak Detector (Sensor Cable Edition) if your priority is price and weather resistance and that matters more than warranty.
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