16-in-1 Indoor Air Quality Monitor and Detector with 7AQI Beep Alarm, CO2 Monitor, PM1.0, PM2.5, PM10, Temperature, Humidity, Formaldehyde, VOC Tester

3. [7-Level Visual AQI Alert System] Color-Graded Display with Configurable Audio Alerts Equipped with a real-time color screen that shifts across seven levels based on AQI values, the monitor provides clear visual feedback on air quality changes. Users can enable or disable sound alerts according to specific scenariossuch as during sleep, meetings, or focused workenabling undisturbed monitoring in bedrooms, shared offices, and other quiet environments.
4. [Extended Battery Life & Compact Design] Supports Continuous Mobile Monitoring and Flexible PlacementWith a high-capacity built-in battery offering approximately 10 hours of continuous operation and a lightweight form factor, the device is ideal for mobile testing across different rooms, floors, or buildings. It is well-suited for multi-point indoor comparisons, short-term travel and accommodation assessments, in-vehicle air tracking, and outdoor use in settings such as camping where power sources are unavailable.
5. [Plug-and-Play Operation with Auto-Calibration] Ready to Use Out of the Box, No Complex Setup RequiredThe device automatically calibrates sensors upon startup without requiring user intervention or network connectivity. It performs periodic self-calibration to maintain measurement accuracy over time and allows one-touch switching between °C and °F. The intuitive interface makes it easy to deploy quickly in various living, working, and mobile environments, even for users without technical expertise.