Features: Auto air quality detection Remove dust, allergens and pet dander Break down deleterious fumes Kill germs, viruses and bacteria Destroy cigarette and cigar smoke Eliminate odors and vapors Micro-computer panel Remote control available Tio2 filter + hepa filter + activated carbon filterspecification: Input voltage:100v-240v Airflow:70m3/h(l),105m3/h(m) 280 m3/h(h) 3 fan speed settings Auto timer control 1,2,4,8 hrs Air quality sensor Negative ions: > 6.0 million ions/cc Dimensions:46.6 x 16.2 x 38.6cm Net weight:5.2kgs Rated power:40w Noise level:30-44db Hepa purification rate: >99.99% Hepa working life:24 months(8 hours everyday) UV light life time:3000 h Loading q\'\'ty:590pcs/20ft container; 1218pcs/40ft container Effective area:40 square meter