Features: Adopts digital temperature and humidity Detectors, high accuracy, stable performances, antijamming ability, low consumption and can provide long service time. Large digital display, you can see the electricity quantity, carbon dioxide, PM2.5, formaldehyde, TVOC, PM1.0, PM10, temperature and humidity. Equipped with environmental quality judgments function, it will display appropriate according to measuring value. Crafted from ABS, wear resistant and with nice durability, fall resistant. This indoor air quality meter is small and easy to carry, can detect the gas quality in bedroom, living room, kitchen, office, car, school, hotel, cellars, restaurant, campground and other environment. Specifications: Material:ABS Styles:Host with 3pcs Small Machines,Host with 5pcs Small Machines Package Includes: 1Set Air Quality Tester note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color.