Although I bought it in 2023, I did not use it often. It is still in excellent condition.

Here is the manufacturer information:

Fast and efficient air cleaning thanks to the new 3D system for air circulation with spiral air outlet and clean air in a 20 m² room in less than 8 minutes. Use the intelligent, automatic control of ambient light to adapt the light to the room environment - ensure the best feeling of well-being for you and your family. Real-time air quality at a glance: Numeric display of information on PM2.5, gases and allergen values on the display for your convenience. Minimalist. Stylish. Inviting. Fits perfectly to every interior design. Unobtrusive and striking at the same time. Smart Sensoring technology detects in real time and automatically eliminates all three major threats to indoor air: particles, harmful gases and indoor allergens. The professional sensor automatically scans airborne pollutants 60,000 times per minute, detects and reacts in real time to every occurrence of pollutants. The ambient light ring on the top of the product provides an additional visual reference point and ranges from blue (good) to red (poor) to indicate indoor air quality. Removes 99.9 % of particles with 3 nm. Room size up to 130 m².