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A beautiful black alarm clock radio
EXCELLENT (green): 400~600ppm
In addition to the temperatures
Equipped with 2 alarm functions
Air quality Meter - WL 1020 Technoline hygrometer A beautiful black alarm clockWL 1020 Technoline air quality monitorIdeal for public buildings such as schools, gyms, museums, sports clubs, etc. But also just a good way to measure air quality at home. Everyone knows how good ventilation and air quality are. With this air quality monitor you are influenced to ventilate more if the air quality is not good enough. The quality can be read by 5 stars. 1 star is poor quality and 5 stars is good quality. In addition, you will receive a