... C. .big LCD with back light A ,Application:Home, Living room, hotel, school, clinic,hospital, kitchen, warehouse, garage, restaurant, bar ... :1,7stages of air purification process2, Five Speed fan3, Room size selection five level adjustablepurifier (activated oxygen)4, Easy ... filter + Ozone (for optional)Product dimension: L209x W306 x H305mmNet weight: 10.kgs (16.8 pounds)Power: 45 watt Function:1, ...