Item Type: Air Quality Monitor Material: ABS Battery: Lithium battery 3.7V 2000mAh (with built in battery) Basic Parameters: HCHO: 0 to 9.999mg/m 3 TVOC: 0 to 9.999mg/m 3 PM2.5: 0 to 999ug/m 3 PM10: 0 to 999ug/m 3 1SCREEN OFF ENERGY SAVING: In the case of unmanned use, the screen can be automatically turned off to reduce energy consumption. 2ACCURATE MEASUREMENT: Accurately catch the weak current generated during the electrochemical response process, and accurately calculate the HCHO measurement results. 3QUICK HEAT DISSIPATION: The heat dissipation effect of the product will affect its own detection performance. In terms of ventilation and heat dissipation, a scientific mesh design is adopted to achieve fast heat dissipation and accurate detection data. 4REAL TIME MONITORING AND MULTIPLE USES: Air quality monitors are necessary for a family. Help detect gas and air pollution in homes, kitchens, bedrooms, offices, schools, cars, hotels, travel, camping, gatherings, and other places, always protecting you and your family under healthy air conditions. 5PREMIUM SENSOR: Intelligent air infrared semiconductor sensor is used to detect the temperature and humidity values of the air. Compared with ordinary sensors, more sensitive, accurate, and stable. 1 x Tester 1 x USB Cable 1 x Manual