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Real-Time Measurement: Accurately detect levels of Carbon Dioxide (CO2), Volatile Organic Compound (TVOC), Formaldehyde (HCHO), temperature, and humidity. The colorful display updates the measurements in real time.
Accurate Results: High-precision infrared sensor and built-in high-performance chip ensure precise measurement of carbon dioxide levels by capturing weak currents generated during electrochemical reactions.
Smart Alarm: Air quality is categorized into three levels: GOOD, OK, and POOR. When the air quality turns to OK, the indicator turns yellow and the device beeps twice to alert you. When the air quality turns to POOR, the indicator turns red and the device beeps twice, providing clear visual and auditory warnings.
1200mAh Built-in Lithium Battery: Charge the battery for 2.5 hours for a full charge, providing 6 to 8 hours of continuous usage. You can also connect the device to power during use.
![Aranet4 Home: Wireless Indoor Air Quality Monitor for Home, Office or School [CO2, Temperature, Humidity and More] Porta](/_next/image?url=https%3A%2F%2Fm.media-amazon.com%2Fimages%2FI%2F61EVDR3FJpL._SL400_.jpg&w=3840&q=75)