Aqara Water Leak Sensor
The Aqara Water Leak Sensor detects standing water and moisture on floors, under appliances, and around plumbing fixtures, giving you early warning before damage occurs. Using Zigbee for fast, low-power communication, it pairs with Aqara hubs or compatible Zigbee coordinators to send instant alerts and trigger protective automations throughout your smart home.
Specifications
Model
SJCGQ11LM
Battery
CR2032
Wireless Protocol
Zigbee
Dimensions
50 × 50 × 15 mm (1.97 × 1.97 × 0.59 in.)
Operating Temperature
-10℃~+55℃ (14℉~131℉)
Operating Humidity
0 – 100%RH
What’s in the Box
Water Leak Sensor x 1, Quick Start Guide x 1
App
Apple Home app (iOS 10.3 or later), Aqara Home app (Android 5.0 or later, iOS 10.3 or later)
User Manual
Technologies & Capabilities
Reliable Water & Moisture Detection
The sensor detects even small amounts of water on its contact pads, providing early alerts for leaks near sinks, toilets, appliances, and basements.
Zigbee Connectivity For Quick Alerts
Built on Zigbee, the sensor delivers fast reporting and strong battery life while integrating smoothly with Aqara hubs or third-party Zigbee systems.
Supports Leak-Response Automations
When combined with smart valves, sirens, or lighting, the sensor can shut off water, activate alarms, or send notifications the moment a leak is detected.
Compact, Waterproof Housing
The sensor’s small, sealed design allows worry-free placement on floors or in tight spaces where water issues are most likely to occur.
Frequently Asked Questions
What does the Aqara Water Leak Sensor detect?
It detects standing water or moisture on the floor using its contact pads, alerting your smart home system when a leak occurs.
Do I need an Aqara hub to use this sensor?
A hub is recommended for Aqara app features, but the sensor also works with Zigbee coordinators such as Home Assistant, Hubitat, or SmartThings.
Where should I install this sensor?
Common placements include under sinks, behind toilets, near washing machines, under dishwashers, in basements, or by water heaters.
Can this sensor trigger automations?
Yes. It can activate lights, send alerts, or work with smart valves to shut off your water supply when connected to a supported platform.
Is the sensor waterproof?
Yes. Its sealed housing is designed for direct contact with water on floors and can operate safely in damp environments.