QE Wuerfeli (Swiss Made), mains operation
Delivered between Wed, 4.11. and Thu, 5.11.4 items ordered
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At a Glance
Visual CO2 Display
The device visualises the CO2 concentration using colour signals, ranging from blue for 400-550 ppm to red for over 1600 ppm, serving as a ventilation prompt.
Three-Parameter Measurement
In addition to the CO2 concentration, the integrated sensor also measures room temperature and humidity.
Automatic Brightness Adjustment
The built-in lighting automatically adapts to the ambient light levels in the room and switches off in the dark.
In Detail
30-day right of return
24 Months Warranty (Bring-in)