Water Leak Sensors · Head to head

Switchbot Water Leak Detector (Sensor Cable Edition) vs YoLink Water Leak Sensor 4

Full Smart Water Leak Sensors comparison in 2026

Updated October 2026
Data from the official SwitchBot and YoLink sites.
2026 verdict
A LoRa YoLink hub changes the pick: the YoLink Water Leak Sensor 4 is the water leak sensor with freeze alerts and a siren.
YoLink Water Leak Sensor 4
Winner
YoLink Water Leak Sensor 4
$17.09$23.9929% OFF
Buy on Amazon USA
It lists about five years on two AAA cells, a two-year warranty, IP66, a sound, a light and Home Assistant. The Switchbot Water Leak Detector (Sensor Cable Edition) lists Wi-Fi, Bluetooth, a probe cable, Apple Home, Google Home, SmartThings and Home Assistant, and no temperature sensor. Neither is Matter. Pick the YoLink Water Leak Sensor 4 when the hub is YoLink. Pick the Switchbot Water Leak Detector (Sensor Cable Edition) when you refuse another hub and want HomeKit.
Works with
Connectivity
vs
Winner
YoLink Water Leak Sensor 4
YoLink
#1 Best Seller in Water Leak Sensors

YoLink Water Leak Sensor 4

29% OFF
Prime exclusive deal
$17.09
$23.99
Buy on Amazon USA

Also sold in packs

  • Pack of 39% OFF$49.99$54.99$16.66 per unitYou save $1.28Buy
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FeatureSwitchbot Water Leak Detector (Sensor Cable Edition)YoLink Water Leak Sensor 4Winner
Price$19.99$17.09YoLink Water Leak Sensor 4
Rating4.34.8YoLink Water Leak Sensor 4
Warranty1 year2 yearsYoLink Water Leak Sensor 4
Weather ResistanceIP67IP66Switchbot Water Leak Detector (Sensor Cable Edition)
Battery Life2 years5 yearsYoLink Water Leak Sensor 4
Connectivity2.4 GHz WiFi, BluetoothOtherSwitchbot Water Leak Detector (Sensor Cable Edition)
IntegrationsGoogle Home, Apple HomeKit, Samsung SmartThings, Home AssistantHome AssistantSwitchbot Water Leak Detector (Sensor Cable Edition)
SensorsWater LeakWater Leak, TemperatureYoLink Water Leak Sensor 4
AlertsWater Leak AlertsWater Leak Alerts, Temperature Alerts, Freeze Temperature Alerts, Low Battery AlertsYoLink Water Leak Sensor 4
On Device Alert SoundYESYESTie
On Device Alert LightYESYESTie

What the differences mean

LoRa hub versus Wi-Fi

The YoLink Water Leak Sensor 4 needs a YoLink hub and uses LoRa. It lists no Wi-Fi, Bluetooth, Zigbee or Z-Wave. The Switchbot Water Leak Detector (Sensor Cable Edition) lists 2.4 GHz Wi-Fi and Bluetooth and no extra hub. Range into an outbuilding is the YoLink story. Skipping a new hub is the SwitchBot story.

Freeze alerts versus a cable

The YoLink Water Leak Sensor 4 lists low-temperature sensing, low-temperature alerts and freeze alerts, and it does not include a sensor cable. The Switchbot Water Leak Detector (Sensor Cable Edition) includes a cable and lists no temperature or freeze alerts. You pick range and freeze, or a probe, not both in one of these boxes.

Platforms

The Switchbot Water Leak Detector (Sensor Cable Edition) lists Google Home, Apple Home, SmartThings and Home Assistant. Alexa and Matter are unsupported. The YoLink Water Leak Sensor 4 lists Home Assistant only. Apple Home, Google Home, SmartThings, Alexa and Matter are unsupported. Both list a sound, a light and automations.

Battery and warranty

The YoLink Water Leak Sensor 4 quotes about five years on two AAA cells, a two-year warranty, IP66 and low-battery alerts. Its write-up cites about 105 dB. The Switchbot Water Leak Detector (Sensor Cable Edition) quotes about two years, a one-year warranty and IP67, and low-battery alerts are not documented. Its write-up cites about 100 dB. Both bodies are about 62 to 78 mm on a side and about 80 to 110 g.

Which one to buy if

What owners say

Owners of the Switchbot Water Leak Detector (Sensor Cable Edition) and the YoLink Water Leak Sensor 4 both describe real saves at a water heater or a washer, and both want a noise in the room, not only a phone banner. Switchbot Water Leak Detector (Sensor Cable Edition) owners single out hub-free Wi-Fi and a cable that covers a second point, and they complain about a stiff battery door and an alarm that cabinets can muffle. YoLink Water Leak Sensor 4 owners single out LoRa range into a garage or an outbuilding, a siren that still sounds if the hub drops, and multi-year AAA life, and a few find the app confusing at first. They also note there is no probe cable in the box.

Frequently Asked Questions

Which is better overall: Switchbot Water Leak Detector (Sensor Cable Edition) or YoLink Water Leak Sensor 4?

The YoLink Water Leak Sensor 4 when a YoLink hub is in play: freeze alerts, a siren, LoRa range and a longer battery claim. The Switchbot Water Leak Detector (Sensor Cable Edition) is the hub-free Wi-Fi sensor with a probe cable and Apple Home.

What is the biggest difference between the Switchbot Water Leak Detector (Sensor Cable Edition) and the YoLink Water Leak Sensor 4?

Hub and sensing. SwitchBot joins 2.4 GHz Wi-Fi and includes a cable, with no freeze sensor. YoLink needs its hub, uses LoRa, lists freeze alerts and a siren, and has no cable.

Does the YoLink Water Leak Sensor 4 work with Apple Home?

No. Apple Home, Google Home, SmartThings and Matter are unsupported. It lists Home Assistant. The Switchbot Water Leak Detector (Sensor Cable Edition) lists Apple Home, Google Home, SmartThings and Home Assistant, and not Matter.

Which one warns about freezing?

The YoLink Water Leak Sensor 4, which lists low-temperature sensing and freeze alerts. The Switchbot Water Leak Detector (Sensor Cable Edition) lists water-leak alerts only.

Who should buy the Switchbot Water Leak Detector (Sensor Cable Edition)?

Buyers who want Wi-Fi without a YoLink hub, a probe for a second spot, IP67, and Apple Home or SmartThings, and who do not need a freeze reading.

Who should buy the YoLink Water Leak Sensor 4?

YoLink households covering a large property or an outbuilding, who want a local siren, freeze alerts and a multi-year AAA claim.

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