Main Features: •Powerful PCO technology to remove odor, smoke, pollen, bacteria, virus, VOC etc various contamination •Innovative 7-in-1 air purification system: Pre-filter + True HEPA + LCT filter + Activated carbon filter + UV light + TiO2 Photocatalyst filter + Negative ion •High-performance fan to purify the air in silent and disperse the negative ions thoroughly •Washable TiO2 Photocatalyst filter with 3D nano structure has 20 times more contact area than ordinary photocatalyst filters •Emits negative ions to improve air quality and create a more natural and healthy environment •Photocatalysis function can be controlled •2 fan speed settings •Automatic power-off when the filter is drawn out •Air freshener included •No ozone produced •Optional remote control operation •Ideal for desk top,children room,single room or hospital room of about 20 square meters Technical Data: Product size:258x121x346mm Weight:2.1kgs Rated voltage:100-120V/60Hz 220-240V/50Hz Air delivery rate (max):40m3/h Noise level (low speed):<35dB Negative ion:3 million/cc Rated power:13W Coverage area:20m2 Fan speed:High, Low UV lamp life:15000h