Detailed Description KJF-300A Sensor of air cleaning monitor will change the speed automatically according to the air quality. Multiple filtration: prefilter, activated carbon, HEPA. TiO2 photocatalyst filters is continally decompose the deleterious gas. UV lamp for sterilization and disinfecting. Negative ion generator refreshes indoors air. Mobile in use and time setting. Parameter Voltage AC100-240 V Frequency 60/50HZ Power 75w Weight 12kg Air delivery 400(H),300(M),200(L)m3/h Noise 50dB Dust purifying rate 98% Formaldehyde purifying rate 98% Benz purifying rate 99.8 % UV sterilization rate 99%