High accuracy CO CO2 air quality monitor HCHO TVOC detector gas detectorOOTDTY Features: 24 hours real-time monitoring to protect the healthy life of you and your family. It is easy to carry the intelligent air quality monitor, which can help us detect the pollution of gas air in household, kitchen, bedroom, office, etc. The large display screen makes it easy to read the data, and the buttons are easy to operate. It can accurately detect air containing Car-bon dio-xide (CO2), For-malde-hyde (HCHO), vo-latile Or-ganic com-pound (TVOC). These readings include the detection of tol-uene, harmful chemical sub-items, and airborne pollutants such as car-bon dio-xide, car-bon mono-xide,s-moke,f-og,d-ust,in-k, and others. It can also dectect PM-2.5/PM-10. It can provide the average value of each gas, real-time detection of harmful HC-HO and TV-OC. Specification: Material: Plastic Size: 120 x 63 x 2 6mm/ 4.72 x 2.48 x 1.02 inches Battery Capacity: 850m Ah (Included) Package Included: 1 x Air Quality Detector1 x User Manual1 x USB Charging Cable Note: Please allow 1-3cm error due to manual measurement. Pls make sure you don't mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item.