Fangrui Product Details Fangrui Product Details Fangrui Product Details 1. Comprehensive Air Quality Detection: This Air Quality Detector Is A 15-in-1 Device That Measures Aqi, Co, Co2, Pm0.3, Pm1.0, Pm2.5, Pm10, Formaldehyde (hcho), Tvoc, Temperature, And Humidity. It Also Features Time Display, Alarms, Timers, And Countdown Functions, Providing A Complete Solution For Your Air Quality Needs. 2. Tft Color Display And App Control: The Indoor Air Quality Monitor Comes With A 2.8-inch Tft Color Screen, Allowing You To See The Test Data At A Glance. With The App, You Can Enjoy Real-time Air Quality Monitoring And Remote Management From Anywhere. 3. Settings And Historical Data Review: The Portable Aqi Pm0.3 Pm1.0 Pm2.5 Pm10 Tester Supports Alarm Limits, Sleep Mode Settings, And Detailed Historical Data Exploration (by Day, Month, Or Year). The App Offers A User-friendly Interface With Temperature Unit Switching And Multifunctional Timer Settings For A Personalized And Convenient Experience. 4. Alerts And Visual Warnings: Connect The Household Co Co2 Tvoc Hcho Tester To Wifi And