Indoor Quality Monitor 12 Functions WiFi Thermometer Hygrometer WiFi for Smart App with 2.8 Color Display Support Alarm Function CO2 Celsius

12-in-1 Multifunctional Monitoring: Simultaneously tracks CO2, HCHO, TVOC, PM2.5Celsius1.0Celsius10, temperature, humidity, and more for Smart App integration for real-time quality analysis and remote data access via for iOSCelsius for devices. Interactive Color Display & Data Trends: Features a 2.8-inch LCD screen displaying real-time measurements and historical charts for daily, monthly, and annual parameter trends to identify environmental patterns. Extended Portable : Includes a built-in 2000mAh rechargeable battery supporting 6-7 hours of cordless use, ideal for continuous quality assessment in multiple rooms or locations. Battery: Rechargeable Battery 2000mAh x1 (built-in battery included)