Features: Coloured full view LCD screen, shows real-time testing value, battery level and other data in one interface. Advanced Infrared sensor to accurately track air quality including PM2.5, PM10, HCHO, TVOC, CO and CO2. Suitable for bedroom, living room, kitchen, office, car, school, hotel, campground and other environments. Comprehensive detection of pollutants and harmful substances in the environment, and protect your family from harm. Designed in 90x35x70mm/3.5x1.4x2.8in size, this portable carbon dioxide detector is easy to carry everywhere. Package Includes: 1x Air Quality Monitor Specifications: Material: ABS Size: approx 90x35x70mm/3.5x1.4x2.8in Color: white/black note: Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item.