Product features: 1. Touch screen LCD display 200 million negative ion concentration, no ozone, no static electricity 3. Integrated filter screen 4. Three speed wind speed, automatic operation mode, sleep silent mode 5. Sensor intelligent monitoring of air quality 6. Remote infrared remote control Particulate clean air quality Cadr: 170m2 h Formaldehyde clean air quality Cadr: 40m2 h Rated power: 35W Rated voltage: 220 V, 50 Hz Noise: 62db Operation mode: touch remote control Body material: ABS plastic Applicable area: 15m2-22m2 Rated air volume: 220m2 h Air Purifier: Effectively capture PM2.5, dust, allergens, pollen, mold, smoke, and reduce HCHO and odors from the air bringing fresh and health air to your house. The rate of killing bacteria is almost up to 99.97%. -Backlit LCD display:Backlitght indicates the air quality directly. Three wind speed: General Quiet High efficiency mode. -Timer setting: 2H, 4H, 6H, 8H with indication light respectively. Set up timing tasks to save energy and money. -Low noise: Quiet operation, timer function to a maximum of 12 hours. Provide a comfortable and pleasant environment.