- Accurate air quality monitoring: This air quality monitor has a 2.8 inch colour LCD display with 320 x 240 pixels and delivers clear and precise results in real time. - Portable and versatile: Designed for comfort, this monitor is suitable for offices, indoor and outdoor environments. - Long Battery Life: Equipped with a large lithium battery with 2000mAh capacity, this air quality monitor ensures continuous monitoring without worrying about frequent charging. - Increased accuracy with built-in fan: Built-in fan draws ambient air, ensuring more accurate and reliable results. - Applications: Use in office or meeting rooms to monitor air quality and guide ventilation decisions; at home, in classrooms or laboratories to track air quality during cooking, cleaning, or seasonal changes; in outdoor spaces or work sites to assess ambient air conditions.