Features: 7 in 1 Multifunctional Air Detector test CO2,HCHO, TVOC, temperature & humidity, with for time & date display. It's very necessary for you to know the air quality of your living place, especially for those who will move to new house. Cool unique mold and design with large screen digital display,easy to read. Portable and light. It’s very convenient for you to use in bed room, living room, office, kitchen, car or anywhere else. You can directly to know the overall environment quality and track on each gas mean value to know what gas in air is unsafe and take accordingly actions. Specifications: Material: ABS Size: 94x94x30mm/3.7x3.7x1.2in Color: black/white(optional) Package Includes: 1x Air Quality Monitor 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.