Noise (Min/Max) : 56dB (Turbo)/26dB (Quiet) Room Coverage (up to) : 33m² Purifier Speed : Low/Middle/High/Smart Air Purifier Function : Air Quality Sensor / Air Quality indicator / Anion Function / Filter Cleaning Indicator Circulator Speed : Quiet/Breeze/Low/Middle/High/Turbo Airflow distance (up to) : 16m 3 in 1 HEPA Filter : Pre Filter / Activated Carbon Filter / HEPA Main Filter Ag? Silver Coated Filter : *Free Ag? Silver Coated Filter included during epidemic prevention. Swing Mode : Up and Down (90°) / Left and Right (80°) Other Function : Lock Function / Remote Control / Timer Mode (1h/2h/4h/8h)