- Compact and exquisite: compact housing design with a simple, elegant appearance; lightweight and easy to carry. 3D-porous housing with multiple ventilation holes for real-time air circulation convection. - High-precision sensor: uses non-dispersive infrared (NDIR) technology to detect and display CO2 concentration in real time. High resolution up to 1 PPM and a measurement accuracy of ±50+5 %* help ensure data accuracy and reliability. - Air quality classification and intelligent alerts: features a four-color classification system corresponding to different air quality levels, so you can understand the current air state quickly and visually. - Multifunction design: combines energy-saving mode, Type-C interface recognition, and touch buttons to meet a range of usage needs. - Use scenarios: - Home office or living space: monitor CO2 levels to maintain a comfortable work or study environment. - Classrooms and meeting rooms: track air quality and facilitate ventilation decisions to keep occupants at ease. - Small studios, cafes, or coworking spaces: maintain fresh air and ensure a pleasant atmosphere for guests and workers.