Aqara Water Leak Sensor Smart Detector
Aqara Water Leak Sensor detects water leaks near sinks, washing machines, and water heaters. This Zigbee Water Leak Sensor features IP67 dust and water resistance, a CR2032 battery, and smart alerts through a compatible Aqara hub. A practical Smart Water Leak Sensor for home protection.
Aqara Water Leak Sensor – Smart Water Leak Detection
The Aqara Water Leak Sensor is a compact smart home device designed to detect unwanted water in areas where leaks can cause property damage. It helps monitor locations near sinks, washing machines, water heaters, and household plumbing.
Two metal sensing probes on the underside of the device detect water contact. When connected to a compatible hub, the sensor can activate mobile alerts and supported automation routines.
This Smart Water Leak Sensor combines Zigbee connectivity, IP67 water and dust resistance, and low-power battery operation in a compact wireless design.
It can be integrated into a connected home system to support early leak awareness and faster responses to potential water damage.
Early Water Leak Detection
The device uses metal contact probes to detect water when it reaches the sensing points underneath the housing.
It can respond to water levels as low as approximately 0.5 mm under suitable detection conditions.
This makes it useful for monitoring small water accumulations that may otherwise remain unnoticed.
Real-Time Leak Notifications
When water is detected, the sensor sends an event to a compatible smart home hub.
Depending on the selected setup, the system can provide mobile notifications, activate a hub alarm, or trigger supported automation.
Remote notifications require a correctly configured application, compatible hub, and suitable network connection.
IP67 Water and Dust Resistance
The sensor features an IP67-rated housing for protection against dust and water exposure under specified test conditions.
This makes it suitable for use in humid indoor environments, including kitchens, bathrooms, and utility rooms.
IP67 protection does not mean the device should remain permanently submerged in water.
Compact Wireless Design
With dimensions of 50 × 50 × 15 mm, the sensor is easy to position in small monitoring areas.
It can be placed on a flat surface under a sink, beside a washing machine, or near indoor plumbing equipment.
No permanent wiring or drilling is required for normal placement.
Key Features of the Water Leak Sensor
- Sensitive Water Detection: Detects water reaching the metal contact probes.
- Smart Notifications: Supports mobile leak alerts through a compatible hub.
- Zigbee Connectivity: Low-power wireless communication for connected-home systems.
- IP67 Protection: Resistance to dust and water exposure as rated.
- Long Battery Life: Uses a replaceable CR2032 battery with approximately two years of typical operation.
- Compact Housing: Convenient placement near household appliances and pipes.
- Smart Automation: Can trigger compatible alarms or connected device actions.
- Easy Installation: Wireless design with simple surface placement.
How the Water Detection System Works
The sensor monitors the electrical connection between the metal probes on its underside.
When water touches both contacts, it can register a leak event and communicate the change to a compatible hub.
The system can then respond with an alert or another configured smart home action.
The device detects water only where its probes can physically contact it. It does not measure water flow inside pipes or locate the exact source of a leak.
Smart Home Automation and Water Protection
An Aqara Water Leak Detector can be included in supported smart home security and automation routines.
For example, water detected under a kitchen sink can trigger a notification or activate an audible alarm through a suitable hub.
The system can also be connected to a compatible smart water valve controller to support automatic water shutoff.
Important: The sensor cannot close a water valve by itself. Automatic shutoff requires a separate compatible valve, proper installation, and a configured automation.
Zigbee Wireless Connectivity
The Zigbee Water Leak Sensor uses a low-power wireless protocol to communicate with a compatible hub.
This reduces the need for electrical wiring and makes the device suitable for battery-powered monitoring.
Actual wireless range depends on walls, obstacles, interference, and hub placement.
After installation, test the connection to confirm that alerts can be received reliably.
Mobile Monitoring and Leak Alerts
Compatible smart home applications can report changes between dry conditions and detected water contact.
This allows users to monitor vulnerable areas of the home and respond to unexpected leaks.
The exact notifications and automation options depend on the hub, application, account, and selected ecosystem.
The sensor itself does not contain a built-in audible siren. Sound alerts require a suitable connected device.
Long Battery Life with CR2032
The device operates using a replaceable CR2032 lithium battery.
Typical battery life is approximately two years, although actual operation may vary depending on environmental conditions and wireless activity.
The low-power Zigbee design helps reduce maintenance and eliminates the need for a permanent power cable.
Follow the manufacturer's instructions when replacing the battery.
Simple Placement and Installation
Place the sensor on a suitable flat surface where leaked water is likely to accumulate.
Common locations include the area beneath kitchen sinks, near washing machines, beside water heaters, and around indoor plumbing.
Make sure the sensing probes can come into contact with accumulating water.
Once positioned, confirm communication with the compatible hub and test the configured alerts.
Common Uses Around the Home
In kitchens, the device can monitor areas beneath sinks and near dishwashers.
In bathrooms, it can be placed near water heaters or plumbing connections where minor leaks may occur.
It can also be used in utility rooms, laundry areas, and indoor storage spaces with water pipes or appliances.
Choose the installation position based on where water is most likely to collect, rather than relying only on proximity to a pipe.
Smart Home Compatibility
The Aqara Water Sensor requires a compatible Aqara hub to enable connected notifications and automation features.
Depending on the hub and software configuration, selected functions may also be available through Apple Home or other supported ecosystems.
The device does not connect directly to a smartphone using Wi-Fi.
Compatibility with third-party Zigbee hubs should not be assumed without specific verification.
Technical Specifications
| Specification | Details |
|---|---|
| Product Name | Aqara Water Leak Sensor |
| Brand | Aqara |
| Model | SJCGQ11LM |
| Device Type | Water Leak Detector |
| Detection Method | Metal Contact Probes |
| Water Detection Level | Approximately 0.5 mm |
| Wireless Protocol | Zigbee |
| Battery Type | CR2032, 3V |
| Typical Battery Life | Approximately 2 Years |
| Dimensions | 50 × 50 × 15 mm |
| Color | White |
| Protection Rating | IP67 |
| Operating Temperature | -10°C to +55°C |
| Operating Humidity | 0–100% RH |
| Installation | Flat Surface Placement |
| Recommended Environment | Indoor Use |
| Application | Aqara Home |
| Hub Requirement | Compatible Aqara Hub |
Box Contents
The standard manufacturer's package for model SJCGQ11LM contains:
- Water Leak Sensor × 1
- Quick Start Guide × 1
The sensor operates using a CR2032 battery.
Note: A compatible Aqara hub is required for connected notifications and automation and is not included in the standard package.
Important Notes Before Purchase
This device detects water at its sensing contacts. It does not measure the exact amount of leaked water or identify the source inside plumbing pipes.
Smart notifications, remote monitoring, and automation require a compatible hub and appropriate network setup.
Automatic water shutoff requires a separate compatible smart valve controller.
Why Choose This Smart Water Leak Detector?
This compact sensor provides a practical way to monitor household areas where water leaks may go unnoticed.
It combines sensitive water contact detection, battery-powered operation, Zigbee connectivity, and support for compatible alerts.
When integrated with a suitable hub and optional water valve controller, it can form part of a wider smart home water protection system.
| Brand |
AQARA |
|---|
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