FAQs for Aqara Water Leak Sensor

What functions does the Aqara Water Leak Sensor have?

The Aqara Water Leak Sensor can detect a water leak or water immersion. When the water leak or water immersion occurs, it sends an instant alert notification via the app. It can also interact with other smart accessories with the Aqara Hub.

How does the Aqara Water Leak Sensor work?
The Aqara Water Leak Sensor makes use of the electrical conductivity of water. When two probes come into contact with water, a current loop is formed. At the same time, the sensor reports water leak/water immersion status to the Aqara Hub and thereby triggers the alarm or interacts with other smart devices to perform related operations.

How does the Aqara Water Leak Sensor communicate with the Aqara Hub?
The Aqara Water Leak Sensor communicates with the Aqara Hub through the Zigbee wireless protocol. Zigbee technology is a short-distance and low-power consumption wireless communication technology. Compared to other communication protocols, it has the following advantages:

1. Ultra-low power consumption.
2. High security.
3. Accommodates more accessories.

What if I can not connect the Aqara Water Leak Sensor to the app ?
1. Check to see if the hub's firmware version is up to date.
2. Check if the hub is already in the pairing mode.
3. Check if the sensor is reset successfully, and the LED indicator is blinking as expected.
4. Keep the sensor as close as possible to the hub and keep trying.
5. Try with another child device to see if there is something wrong with the sensor itself.
6. Try with another hub and see if there is something wrong with the previous hub.
7. Please be aware that we can add no more than 32 child devices to a hub at the same time.

Can the Aqara Water Leak Sensor be connected to the mobile phone directly?
The Aqara Water Leak Sensor cannot be connected to the mobile phone directly. An Aqara Hub is required, please connect the Aqara Hub with the mobile phone, and then connect the Aqara Water Leak Sensor to the hub.

What are the requirements for installation of the Aqara Water Leak Sensor?Installation of the Aqara Water Leak Sensor is easy. You just need to place it on the surface that needs to be monitored.

Where is the button on the Aqara Water Leak Sensor?
The button of the Water Leak Sensor is located at the center of the shell. Trigger the button by holding the top and bottom cover and pressing the "Water Drop" icon.

At what water level can the alarm be triggered? 
The alarm can be triggered when the water level reaches up to 0.5 mm (0.02 inch).

Where is the antenna of the Aqara Water Leak Sensor?
The Zigbee antenna of the Aqara Water Leak Sensor is located right under the "Water Drop" icon.

What is the power supply of the Aqara Water Leak Sensor?
The Aqara Water Leak Sensor uses one CR2032 lithium button battery. The output voltage of the battery is 3V. Normally, the life of the battery is about two years.

How can I reset the Aqara Water Leak Sensor?
Long press the reset button by pressing the "Water Drop" icon on the shell for 5 seconds and release when the blue light flashes continuously.

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