Air Quality Monitor CO2 HCHO TVOC Tester USB Rechargeable Room Temperature Humidity Meter CO2 Detector for Home School Office

Air Quality Monitor CO2 HCHO TVOC Tester USB Rechargeable Room Temperature Humidity Meter Multifunctional Clock for Home School Office Feature: 1. Advanced Air Quality Monitoring:This air quality monitor features a high-quality CO2 HCHO TVOC tester that utilizes semiconductor sensors for precise detection of CO2, formaldehyde, and total volatile organic compounds (TVOCs), ensuring a safe indoor environment. 2. Comprehensive Room Climate Measurement:The room temperature humidity meter provides real-time readings of temperature and humidity, allowing you to maintain optimal living conditions while monitoring air quality effectively. 3. User-Friendly Formaldehyde Tester:Designed for convenience, this formaldehyde tester requires no calibration. Simply turn it on to start measuring CO2, HCHO, TVOC, temperature, and humidity instantly, making it easy for anyone to use. 4. Intuitive CO2 Detection:The CO2 detector features a large display that shows real-time CO2 concentration levels along with date, time, and battery status. Color-coded alerts indicate air quality: green for safe levels, orange for caution, and red for high levels. 5. Efficient Airflow Design:With hundreds of ventilation holes, this air quality monitor enhances air circulation for effective detection and provides excellent heat dissipation, ensuring reliable performance and longevity in any environment. Specification: Origin: Mainland China CO2 measurement range: 400-5000ppm CO2 measurement accuracy: ±50+5%ppm Temperature measurement range: 0-70℃ Temperature measurement accuracy: ±1°C Humidity measurement range: 10%-99%RH Humidity measurement accuracy: ±1%RH Working environment: 0-50°C Battery capacity: 2000mAh (built-in 3.7V lithium battery) Charging method: USB Charging time: about 3.5 hours Standby state available: about 20 hours Power input: Type-C USB 5V2A Casing material: ABS Product size: about 160.00x90.00x41.00mm Product size: 6.3x3.54x1.61inch Note: Due to different monitor settings and lighting conditions, the actual color of the item may vary slightly from the pictures. Thanks for your understanding! Please allow a 1-2 cm difference in measurements due to manual measuring.

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