Nous E13


Model	E13
Vendor	Nous
Description	Water leakage or shortage sensor with sound alarm
Exposes	water, water_leak, alarm_mode, ringtone, battery
Picture

Notes

Battery

Uses 2 x AAA battery.
The remaining percentage is reported correctly with Alkalines (1.5V).

Pairing

Press and hold the button for 7s to put the device in pairing mode.
The red LED will flash until it connects.

Alarm

Alarm can be configured to ring on water presence or absence, and has 3 tones + silent mode.

It rings for 20s, waits 1min and loops while the condition is met
Pressing the button dismisses the current alarm (exits the loop)

Device reports water and alarm state immediately when they change, or when the button is pressed, using custom Tuya commands.
Otherwise, it doesn't send commands / spam.
Bindings or reportings are not needed.

Firmware

Device comes with appVersion 80
(reported in Tuya app as Zigbee module v1.1.0 + MCU v1.0.5)
Subscribed to manufactuerCode 4417, imageType 54179

Exposes

Water (binary)

Indicates whether the device detects water. Value can be found in the published state on the water property. It's not possible to read (/get) or write (/set) this value. If value equals true water is ON, if false OFF.

Water leak (binary)

Indicates whether the device detected a water leak and the buzzer is ringing. Value can be found in the published state on the water_leak property. It's not possible to read (/get) or write (/set) this value. If value equals true water leak is ON, if false OFF.

Alarm mode (enum)

When to consider a water leak and sound the alarm. Value can be found in the published state on the alarm_mode property. It's not possible to read (/get) this value. To write (/set) a value publish a message to topic zigbee2mqtt/FRIENDLY_NAME/set with payload {"alarm_mode": NEW_VALUE}. The possible values are: water_presence, water_absence.

Ringtone (enum)

Selected buzzer ringtone for the alarm. Value can be found in the published state on the ringtone property. It's not possible to read (/get) this value. To write (/set) a value publish a message to topic zigbee2mqtt/FRIENDLY_NAME/set with payload {"ringtone": NEW_VALUE}. The possible values are: muted, tone_1, tone_2, tone_3.

Battery (numeric)

Remaining battery in %, can take up to 24 hours before reported. Value can be found in the published state on the battery property. It's not possible to read (/get) or write (/set) this value. The minimal value is 0 and the maximum value is 100. The unit of this value is %.