Fangrui Product Details 1, 15 In 1: Time, Aqi, Temperature, Humidity, Carbon Dioxide, Carbon Monoxide, Tvoc, Hcho, Pm2.5, Pm10, Pm1.0, Pm0.3, Timer, Timer, Alarm Clock; 2.8-inch Tft Color High-definition Display, Test Data, At A Glance; Real-time Display Of 11 Items Of Data, Including 10 Items Of Test Data, 1 Item Of Comprehensive Data; 2, Color Grading Instructions - Not Only Display The Specific Value Of Each Parameter Can Also Through The Different Colors, Quickly Understand The Indoor Environmental Conditions; Aoi Values And Three-color Indication Can Understand The Comprehensive Environmental Conditions.11 Real-time View Of The Value, Real-time Update 10 Items Per Second (temperature, Humidity, Co, Co2 Hcho, Tvoc, Pm Particulate Matter 0.3, 2.5, 1.0, 10) Detection Data; 1 Aqi Integrated Value. 3, Aoi Composite Index View, According To The Value Of Each Item, Intelligent Calculation Of The Air Quality Composite Index Environmental Conditions At A Glance. 4,color Grading Display, Through The Color Change Of Each Value On The