The Wuerfeli (Swiss Made) is an innovative air quality monitor designed to visualize indoor air quality and provide targeted ventilation advice. Made in Switzerland, it combines artisanal craftsmanship with cutting-edge technology. The device comes with a power cable made from recycled plastic and is packaged in a stylish fabric pouch. The four-colored pyramid of the Wuerfeli is based on extensive air studies and offers an intuitive way to monitor air quality. It helps enhance concentration, protect the immune system, and prevent mold growth by indicating when it's time to open or close the windows. With low power consumption and a versatile design, the Wuerfeli is also suitable for use in the bedroom, ensuring fresh and healthy indoor air.

• Visualization of air quality with intuitive color codes
• Handmade fabric pouch and eco-friendly USB cable
• Efficient power supply with 30 times lower energy consumption than an LED bulb
• Pulsating breathing function to optimize air exchange
• Suitable for indoor use with IP20 protection rating.