2.5-3.2v Digital Air Quality Detector Tester Monitor USB Charging LED 3D Detect TVOC HCHO AQI For Home Office School Car Hotel New

Specifications: Color: White Input: 5.0V/500mA Testing time: 5-10 minutes Test item: HCHO, TVOC Test range: 0-9.999mg/m?(HCHO), 0-9.999mg/m?(TVOC) Concentration unit: mg/m? Operating voltage: 2.5-3.2v Display mode: LED digital display Charging method: USB charging Detection principle: semiconductor gas sensor principle Feature: -3D Circulating Convective Stomata, mastering the direction of airflow with good contact response. -Accurate detection: smart chip with high precision and good stability. -Real-time detection of air at any time and place to ensure timely detection of air quality problems. -Professionally detect air quality, including formaldehyde, TVOC, AQI,help prevent respiratory diseases. -It's easy to carry the intelligent air quality monitor that can help us detect the gas air pollution in household, kitchen, bedroom, office, school, car, hotel, travel, camping, party etc...especially in which has baby, child and pregnant woman. B -Recharged by a UBS cable. -Large LED screen and rich display make it clear and easy to read data, even with battery indicator light to help you check battery at any time. Package included: 1 x Air Quality Detector Notice: 1. Please allow 1-5mm error due to manual measurement. Please make sure you do not mind before you bid. 2. The colors may have different as the difference display, please understand.