Features: 7 in 1 Air Quality Monitor Indoor delivers trackings of PM2.5, PM10, , formaldehyde, TVOC, temperature, and moisture with high precisions and electrochemical sensors for reliable air safety insight. Featuring a color LCD screen and fast data refreshing every 1 2 second, this easy carry device includes customizable audible alerts when air quality drop belowing presets thresholds. Ideal for family with children, sufferers, or professional needing precise air qualities control in offices, classrooms, or travel accommodations. Monitor air safety in bedrooms, kitchens, or newly renovated space to ensure healthy environment during sleep, cooking, or post construction ventilation periods. The small design with a detachable stand allows wall mounting or tabletops placement, while its 420g lightweight build enables smooth room to room or air quality management. Specifications: Material: Plastic Size: about 4x9x11cm/1.6x3.5x4.33inch Package Includes: 1xAir Quality Monitor note: Please allow 1 to 3cm error due to manual measurement, please make sure you do not mind before you bid, Due to the differences between different monitors, the picture may not reflect the actual colorful of the item.