Household Air Quality Detector Tester HCHO TVOC Tester LED Screen 3D Convection Monitor

Features: Independent sensor for detecting HCHO, TVOC, and AQI. Compensate the calibration while reducing interference, ensuring the accuracy of each data. 3D convection vents for real-time circulating convection of air and more accurate detection. 2.8inches HD large display screen, the data is clear at a glance. When the pollution index exceeds the standard, it can remind the user in the corresponding display area. Rating evaluation for a more intuitive analysis of air quality index. Recharged by a UBS cable. Compact and portable, with a wide range of inspections. Suitable for home, office, school and other places as well as in the car. Specifications: Color: White Dimensions: 15068mm / 5.92.7" Voltage: 2.5~3.2V Display mode: LED digital display Test items: Formaldehyde and TVOC (including benzene) Detection principle: Semiconductor sensor Detection range: 0.000~2.888mg/m (formaldehyde); 0.000~9.999mg/m (TVOC) Concentration unit: mg/m Battery: 1200mAh Li-ion battery Package included: 1 x Air Detector 1 x USB Cable