Features: 1. Negative ion > 8 million ions/cm3 2. Remove dust, bacteria efficiency 3. Capture wide range of harmful allergens, collecting microscopic contaminants in the air 4. Breaks down vocs and poisonous fumes, formaldehyde, ammonia 5. Traps particles like pollen, dust smoke and pet dander Specification: 1. Power:110/230v; 50/60hz 2. Rated power:30w 3. UV light 4. Hepa filter, carbon filter, photo-catalyst filter 5. Remote control 6. Anti-bacteria rate>90%; purification rate>99.97% 7. Airflow rate:150m3/h (l):200m3/h (m); 230m3/h (h) 8. Noisy level:25db - 40db 9. Effective area:30 square meters (323 square feet) 10. Ozone function is optional (30/50/100mg)