Shelly Flood vs YoLink Water Leak Sensor 1 (2026)

Updated September 2026

Data from Amazon and official Shelly and YoLink sites.

2026 verdict

Five years between battery swaps is the split.

Winner

YoLink Water Leak Sensor 1

$15.29$16.9910% OFF

Buy on Amazon USA

The YoLink Water Leak Sensor 1 wins this water leak sensor matchup on a tougher IP68 seal, a status light, a lower price, and that long AAA runtime, provided you add a YoLink LoRa hub. The Shelly Flood counters with hub-free 2.4 GHz Wi-Fi plus temperature and freeze alerts, and it talks natively to Google Home, Alexa, SmartThings, and Home Assistant. Neither has an on-device siren. Pick the YoLink Water Leak Sensor 1 for range, durability, and fewer battery changes; pick the Shelly Flood if you want a Wi-Fi puck that also watches pipe-freeze risk without another brand of hub.

Shelly

Shelly Flood

$24.99

Buy on Amazon USA

Winner

YoLink

YoLink Water Leak Sensor 1

10% OFF

$15.29

$16.99

Buy on Amazon USA

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Feature	Shelly Flood	YoLink Water Leak Sensor 1	Winner
Price	$24.99	$15.29	YoLink Water Leak Sensor 1
Rating	3.8	4.6	YoLink Water Leak Sensor 1
Weather Resistance	NO	IP68	YoLink Water Leak Sensor 1
Battery Life	1.5 years	5 years	YoLink Water Leak Sensor 1
Integrations	Google Home, Alexa, Samsung SmartThings, Home Assistant	Alexa, Home Assistant	Shelly Flood
Sensors	Water Leak, Temperature	Water Leak	Shelly Flood
Alerts	Water Leak Alerts, Temperature Alerts, Freeze Temperature Alerts	Water Leak Alerts, Low Battery Alerts	Shelly Flood
On Device Alert Light	NO	YES	YoLink Water Leak Sensor 1
Warranty	2 years	2 years	Tie
Connectivity	2.4 GHz WiFi	Other	Tie
On Device Alert Sound	NO	NO	Tie

Shelly

Shelly Flood

$24.99

Buy on Amazon USA

+ Integrations: Google Home, Alexa, Samsung SmartThings, Home Assistant
+ Sensors: Water Leak, Temperature
+ Alerts: Water Leak Alerts, Temperature Alerts, Freeze Temperature Alerts
- Price: $24.99 vs $15.29
- Rating: 3.8 vs 4.6

Winner

YoLink

YoLink Water Leak Sensor 1

10% OFF

$15.29

$16.99

Buy on Amazon USA

+ Price: $15.29
+ Rating: 4.6
+ Weather Resistance: IP68
- Integrations: Alexa, Home Assistant vs Google Home, Alexa, Samsung SmartThings, Home Assistant
- Sensors: Water Leak vs Water Leak, Temperature

Frequently Asked Questions

Which is better overall, the Shelly Flood or the YoLink Water Leak Sensor 1?

The YoLink Water Leak Sensor 1 wins overall on battery life, IP68 sealing, a status light, and price. The Shelly Flood is the better pick if you want hub-free Wi-Fi with temperature and freeze alerts plus Google Home, Alexa, SmartThings, and Home Assistant.

What is the biggest difference between the Shelly Flood and the YoLink Water Leak Sensor 1?

Connectivity. The Shelly Flood joins 2.4 GHz Wi-Fi with no extra hub, while the YoLink Water Leak Sensor 1 uses long-range LoRa and needs a YoLink hub. YoLink lasts about 5 years on two AAA cells versus about 1.5 years on Shelly's CR123A.

Which sensor also watches temperature and freeze risk?

Only the Shelly Flood includes a temperature sensor with temperature and freeze alerts. The YoLink Water Leak Sensor 1 is leak-only, with low-battery alerts and a status light instead of a thermometer.

Does either sensor have a built-in alarm sound?

No. Neither the Shelly Flood nor the YoLink Water Leak Sensor 1 has an on-device siren. YoLink does add an on-device alert light; Shelly does not.

Who should buy the YoLink Water Leak Sensor 1?

Buyers who want a sealed, long-life leak puck with LoRa range, a 2-year warranty, and a status light, and who are willing to run a YoLink hub.

Who should buy the Shelly Flood?

Homes that want a hub-free Wi-Fi water leak sensor with freeze alerts and native Google Home, Alexa, SmartThings, and Home Assistant support.

Full comparison table

Compare all 32 Water Leak Sensors side by side

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