5in1 realtime air monitoring This device tracks five important indoor air parameters: carbon dioxide (CO2), formaldehyde (HCHO), total volatile organic compounds (TVOC), temperature, and humidity. It helps you stay informed about your environment's air quality in real time. Large, easytoread display An 8inch color screen provides clear visibility of all monitored parameters, allowing you to read air quality levels at a glance without guesswork. Longlasting power for continuous monitoring Powered by a robust 1200mAh rechargeable lithium battery, this monitor offers extended usage between charges, supporting continuous monitoring in everyday settings. Intuitive colorcoded alerts The color classification system conveys air quality status quickly and clearly, enabling you to assess safety levels at a glance and respond as needed. Why you need it and what problems it solves Realtime awareness of indoor air quality helps you protect health and comfort, especially in spaces with occupants, chemical activities, or changing ventilation needs. By monitoring CO2, HCHO, and TVOC alongside temperature and humidity, you gain a comprehensive view of the environment to inform ventilation decisions and improve comfort. What makes it stand out Five important airquality metrics in one device. A large, visibility display for easy monitoring without distraction. A longlasting 1200mAh battery supports extended use without frequent recharging. Simple, immediate colorcoded status indicators for quick decision making. Specifications at a glance Monitored parameters: CO2, HCHO, TVOC, temperature, humidity Display: 8inch color screen Power: 1200mAh rechargeable lithium battery Alerts: colorcoded status indicators Usage scenarios Home environment: place in the living room or bedroom to continuously monitor CO2, VOCs, and humidity, helping maintain comfortable and healthy air. Office or classroom: use during meetings or occupancyheavy periods to track CO2 levels and ensure adequate ventilation for occupants. Workshop or renovation spaces: monitor HCHO and TVOC during painting, remodeling, or other activities to manage exposure and maintain air safety. This description preserves the original product's functions and specifications while presenting clear, customerfriendly benefits, practical use cases, and straightforward language.