Updated August 2026
Data from Amazon and official Meross and YoLink sites.
2026 verdict
YoLink Water Leak Sensor 4 wins the 2026 matchup against Meross Smart Water Leak Sensor, mainly on price, rating, and warranty. It has the clearer edge on price, rating, and warranty, and it stays ahead on battery life and sensors. Choose Meross Smart Water Leak Sensor only if weather resistance and integrations matter more to you than the broader advantage from YoLink Water Leak Sensor 4. As a general recommendation, YoLink Water Leak Sensor 4 comes out on top.
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| Feature | Meross Smart Water Leak Sensor | YoLink Water Leak Sensor 4 | Winner |
|---|---|---|---|
| Price | $23.99 | $17.09 | YoLink Water Leak Sensor 4 |
| Rating | 3.6 | 4.8 | YoLink Water Leak Sensor 4 |
| Warranty | 1 year | 2 years | YoLink Water Leak Sensor 4 |
| Weather Resistance | IP67 | IP66 | Meross Smart Water Leak Sensor |
| Battery Life | 1.5 years | 5 years | YoLink Water Leak Sensor 4 |
| Integrations | Apple HomeKit, Samsung SmartThings, Home Assistant | Alexa, Home Assistant | Meross Smart Water Leak Sensor |
| Sensors | Water Leak | Water Leak, Temperature | YoLink Water Leak Sensor 4 |
| Alerts | Water Leak Alerts | Water Leak Alerts, Temperature Alerts, Freeze Temperature Alerts, Low Battery Alerts | YoLink Water Leak Sensor 4 |
| On Device Alert Light | NO | YES | YoLink Water Leak Sensor 4 |
| Connectivity | Other | Other | Tie |
| On Device Alert Sound | YES | YES | Tie |
$23.99
- + Weather Resistance: IP67
- + Integrations: Apple HomeKit, Samsung SmartThings, Home Assistant
- - Price: $23.99 vs $17.09
- - Rating: 3.6 vs 4.8
Winner
29% OFF
$17.09
$23.99
- + Price: $17.09
- + Rating: 4.8
- + Warranty: 2 years
- - Weather Resistance: IP66 vs IP67
- - Integrations: Alexa, Home Assistant vs Apple HomeKit, Samsung SmartThings, Home Assistant
Frequently Asked Questions
Which is better overall: Meross Smart Water Leak Sensor or YoLink Water Leak Sensor 4?
YoLink Water Leak Sensor 4 has the stronger overall profile in this comparison, especially for price, rating, and warranty.
What is the biggest difference between Meross Smart Water Leak Sensor and YoLink Water Leak Sensor 4?
Price is one of the clearest differences: Meross Smart Water Leak Sensor lists $23.99, while YoLink Water Leak Sensor 4 lists $17.09.
Which one looks better on price?
Meross Smart Water Leak Sensor is listed at $23.99, while YoLink Water Leak Sensor 4 is listed at $17.09. YoLink Water Leak Sensor 4 (better spec).
Who should buy Meross Smart Water Leak Sensor?
Choose Meross Smart Water Leak Sensor if your priority is weather resistance and integrations and that matters more than price.
Who should buy YoLink Water Leak Sensor 4?
Choose YoLink Water Leak Sensor 4 if your priority is price and rating and that matters more than weather resistance.
Full comparison table
Compare all 32 Water Leak Sensors side by side
You are looking at two of them. The full table lines up all Water Leak Sensors in the catalog with the same specs, so you can filter by what you need and sort by price or rating.
- 32 Water Leak Sensors
- 36 specs compared
- 33 filters
YoLinkWater Leak Sensor 4
29% OFF$23.99$17.09
ShellyFlood S Gen4
YoLinkWater Leak Sensor 1
$16.99
X-SenseWi-Fi Water Leak Detector
29% OFF$15.99$11.39
TP-LinkTapo T300
$19.99
SwitchBotWater Leak Detector
13% OFF$16.49$14.29
AeotecWater Leak Sensor
$39.99
EufyWater and Freeze Sensor
$34.99
EveWater Guard
$109.95
AqaraWater Leak Sensor T1
GoveeWater Leak Detector 2
14% OFF$69.99$59.99
SwitchBotWater Leak Detector (Sensor Cable Edition)
15% OFF$19.99$16.98
FibaroFlood Sensor (Z-Wave)
16% OFF$78.53$66.12
SonoffZigbee Water Leak Sensor
$14.99
HeimanSmart Water Leakage Sensor
20% OFF$19.99$15.99
AqaraWater Leak Sensor
$18.99
GoveeWater Sensor Alarm
$15.99
ShellyFlood Gen4
$39.99
FibaroFlood Sensor (HomeKit)
$43.28
AeotecWater Sensor 7 Pro
$47.95
Door & Window SensorsMerossSmart Door and Window Sensor
18% OFF$21.99$17.99
Energy MonitorsMerossEM06P
Energy MonitorsMerossEM16P
20% OFF$199.99$159.98
Garage Door OpenersMerossMSG100 Smart Garage Door Opener
15% OFF$49.99$42.49
HubsMerossSmart Wi-Fi Hub MSH400HK
$18.99
HubsMerossSmart Wi-Fi Hub MSH450
€24.99
LED BulbsMerossSmart Wi-Fi LED Bulb
$17.04
LED BulbsMerossSmart Wi-Fi LED Bulb with Dimmable Light
$44.64
PlugsMerossMatter Smart Plug Mini
$17.99
PlugsMerossOutdoor Smart Plug (3 Sockets)
$30.99
PlugsMerossOutdoor Smart Plug
$25.99
PlugsMerossSmart Wi-Fi Plug
$21.99
Presence SensorsMerossPresence Sensor MS605
6% OFF$27.59$25.99
Presence SensorsMerossSmart Presence Sensor
$33.99
Radiator ValvesMerossSmart Thermostat Valve
€28.41
RelaysMerossMatter Smart DIY Switch with Energy Monitor
15% OFF£19.99£16.99
Temperature & Humidity SensorsMerossSmart Temperature and Humidity Sensor
$14.99
ThermostatsMerossMTS300 Smart Thermostat
5% OFF$62.99$59.84- Water Leak SensorsMeross
Smart Water Leak Sensor
$23.99 
Water ValvesMerossSmart Sprinkler Timer
34% OFF$69.99$45.99
CamerasYoLinkUno
$69.99
Door & Window SensorsYoLinkLoRa Smart Outdoor Contact Sensor
$24.99
Door & Window SensorsYoLinkSolar Outdoor Door Sensor
$31.99
Motion SensorsYoLinkIndoor Motion Sensor RT
$29.99
Motion SensorsYoLinkLoRa 1/4 Mile Motion Sensor
5% OFF$23.99$22.79
PlugsYoLinkMini Plug
$24.99
PlugsYoLinkSmart Outdoor Energy Plug
15% OFF$32.99$27.99
Smoke & CO DetectorsYoLinkPhotoelectric Smoke Alarm
$49.99
Temperature & Humidity SensorsYoLinkSmart Wireless Thermometer Hygrometer
10% OFF$16.14$14.48- Water Leak SensorsYoLink
Water Leak Sensor 1
$16.99 - Water Leak SensorsYoLink
Water Leak Sensor 4
29% OFF$23.99$17.09 
Water ValvesYoLinkSmart Sprinkler Timer
17% OFF$59.99$49.99