Spec.:1. Auto air quality detection 2. Remove dust, allergens and pet dander 3. Break down deleterious fumes 4. Kill germs, viruses and bacteria 5. Destroy cigarette and cigar smoke 6. Eliminate odors and vapors 7. LCD panel control 8. Remote control available key specifications:1. Input voltage:100v-240v 2. Airflow:70m3/h(l),150m3/h(m) 210 m3/h(h) 3.3 fan speed settings 4. Auto timer control 5. Air quality sensor 6. Negative ions: > 6.0 million ions/cc 7. Ozone99.99% 12. Ulpa working life:24 months(8 hours everyday) 13. UV light life time:6000 h