- Automatically detects and indicates the air quality around via different colors of the LED Indicator Light. Green yellow and red light (Good Acceptable and poor air quality)
Noise-FreeSilent Mode sanitizes the air for easy breathing and more restful sleep with a noise level at just 35dB.
- High Quality: 4 adjustable airflow modes large size filter element removable water tank. USB operation numerous CNC air inlet venting holes.