Ewattch - Capteur Ambiance - capteur de température, capteur de luminosité, capteur de presence, mesure taux CO2, mesure de satisfaction client, capteur d'humidité

Ambiance Feedback

Interactive sensor with measurement of customer satisfaction and allowing the quality control of the indoor spaces of your buildings.

Like the Ambiance, the Ambiance Feedback sensor not only allows you to monitor the indoor conditions of your buildings: temperature measurement, humidity measurement, presence detection and brightness measurement. But this version of the Ambiance sensor also allows you to collect informations on user experience  and/or customers using your premises.

Satisfaction Survey

Thanks to its 3 interactive buttons, the sensor allows the measurement of customer and/or user satisfaction.


Indoor temperature measurement: from 5°C to 60°C.


Measures the indoor humidity level of your building: from 0 to 100%.


Measures the occupancy rate of your buildings with the presence detection function of the sensor.


Measures the interior brightness of your buildings.

Wireless Communication

Secure LoRa® wireless link. Up to 15km communication range with unobstructed view.

Temperature measurement

5°C to 60°C

Relative humidity measurement

0 to 100%

Presence detection distance

5 meters / 130° angle

Brightness measurement

0 to 65535 Lux

CO2 measurement

0 to 5000 ppm


3 satisfaction evaluation buttons: satisfied, neutral, unsatisfied


LoRa®  wireless or LoRaWAN™

Power supply

The environment sensor is powered by 2 2700mAh lithium batteries (included – life from 2 to 10 years, depending on information feedback rate).
External 5VDC to 12VDC power supply option available.

Sensor dimensions

86 x 86 x 25.5 mm (H x L x P)

Mounting methods

The Ambiance sensor is wall mounted.
Double-sided tape mount option available.


EC and RoHs standard certified


Including the same functions as the AMBIANCE, the connected AMBIANCE-FEEDBACK sensor allows you to measure the user experience using a customer satisfaction measurement keyboard on the front panel.

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