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Water Leak Sensors · Head to head

GoveeLife Water Leak Detector 2 vs Shelly Flood Gen4

Full Smart Water Leak Sensors comparison in 2026

Updated September 2026
Data from Amazon and official Govee and Shelly sites.
2026 verdict
A closed Govee kit or an open Shelly sensor: the Shelly Flood Gen4 is the better water leak sensor of the two for anyone with a smart home.
Shelly Flood Gen4
Winner
Shelly Flood Gen4
$39.99
Buy on Amazon USACheck price
It works with Google Home, Apple Home, SmartThings and Home Assistant through Wi-Fi, Zigbee and Matter, adds temperature and freeze alerts and a 2 m sensing cable, carries a 3-year warranty and is the lower priced of the pair. The GoveeLife Water Leak Detector 2 is the better reviewed and the tougher one, IP66 against IP44, and comes with a LoRa gateway Govee rates at up to a quarter mile, plus a 100 dB alarm and app, text and email alerts, but it works with no smart home platform. Both flash a light and sound an alarm on the device. Pick the Shelly Flood Gen4 for leaks that should drive automations and freeze warnings, and the GoveeLife Water Leak Detector 2 for a self-contained alarm system across a large property.
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FeatureGoveeLife Water Leak Detector 2Shelly Flood Gen4Winner
Price$59.99$39.99Shelly Flood Gen4
Rating4.44.2GoveeLife Water Leak Detector 2
Warranty1 year3 yearsShelly Flood Gen4
Weather ResistanceIP66IP44GoveeLife Water Leak Detector 2
ConnectivityOther2.4 GHz WiFi, Bluetooth, ZigbeeShelly Flood Gen4
IntegrationsNoneGoogle Home, Apple HomeKit, Samsung SmartThings, Home Assistant, MatterShelly Flood Gen4
SensorsWater LeakWater Leak, TemperatureShelly Flood Gen4
AlertsWater Leak AlertsWater Leak Alerts, Temperature Alerts, Freeze Temperature Alerts, Low Battery AlertsShelly Flood Gen4
Battery Life2 years2 yearsTie
On Device Alert SoundYESYESTie
On Device Alert LightYESYESTie

What the differences mean

Smart home platforms

The Shelly Flood Gen4 works with Google Home, Apple Home, SmartThings and Home Assistant, with Matter built in. The GoveeLife Water Leak Detector 2 works with none of them, so alerts and automations stay inside the Govee app.

Freeze alerts

The Shelly Flood Gen4 measures temperature and warns about freezing pipes. The GoveeLife Water Leak Detector 2 detects water only.

Hub and range

The GoveeLife Water Leak Detector 2 relies on its included LoRa gateway, rated at up to a quarter mile. The Shelly Flood Gen4 joins Wi-Fi or a Zigbee network directly, with the reach of your own network.

Waterproofing and cable

The GoveeLife Water Leak Detector 2 is IP66 and sits directly on a wet floor. The Shelly Flood Gen4 is IP44 and instead puts its 2 m extendable sensing cable into the wet spot.

Warranty

Shelly covers the Shelly Flood Gen4 for 3 years; Govee covers the GoveeLife Water Leak Detector 2 for 1.

Which one to buy if

What owners say

Owners of both sensors value an alarm on the device and detection that reacts to very little water, the Govee to a few drops and the Shelly cable to a single one. GoveeLife Water Leak Detector 2 owners single out guided setup in the Govee app, a gateway that reaches basements and far corners, and text and email alerts that caught a failed HVAC condensate line or a loose washing machine hose; they note the system is closed and the gateway must stay plugged in. Shelly Flood Gen4 owners talk about stable Zigbee pairing with Home Assistant and on-device automations that cut a pump and flash lights, and complain about slow Wi-Fi onboarding and Apple Home status over Matter that did not always refresh.

Price history compared

Every price change of both, in the same store, so the gap between the two lines is what one costs more than the other.

  • GoveeLife Water Leak Detector 2
  • Shelly Flood Gen4

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Frequently Asked Questions

Which is better overall: GoveeLife Water Leak Detector 2 or Shelly Flood Gen4?

The Shelly Flood Gen4, for most smart homes. It works with every major platform, adds freeze alerts and a sensing cable, and has a 3-year warranty. The GoveeLife Water Leak Detector 2 is the better reviewed, more water resistant choice for a standalone alarm system.

What is the biggest difference between the GoveeLife Water Leak Detector 2 and the Shelly Flood Gen4?

Openness. The Shelly Flood Gen4 plugs into Google Home, Apple Home, SmartThings and Home Assistant, while the GoveeLife Water Leak Detector 2 is a closed system that works only in the Govee app.

Do the GoveeLife Water Leak Detector 2 and the Shelly Flood Gen4 need a hub?

The GoveeLife Water Leak Detector 2 needs its LoRa gateway, which is included. The Shelly Flood Gen4 connects to Wi-Fi directly, or to a Zigbee hub if you prefer.

Which is more waterproof, the GoveeLife Water Leak Detector 2 or the Shelly Flood Gen4?

The GoveeLife Water Leak Detector 2, rated IP66 against IP44 for the Shelly Flood Gen4. The Shelly relies on its sensing cable to reach the wet spot.

Who should buy the GoveeLife Water Leak Detector 2?

Homeowners covering many leak points across a large home or outbuildings who want a loud alarm and app, text and email alerts, and do not need smart home integration.

Who should buy the Shelly Flood Gen4?

Smart home users on any platform who want leak and freeze alerts, a sensing cable for tight spots and automations that react to a leak.

Full comparison table

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