characteristic KJF50 Material: Nanometer TiO2, Silver, UV Lights, Active Carbon, Ionizer, etc. Decomposing: Formaldehyde, Benzol, Ethane, Acetone, Xylene, Carbon, Monoxide, Ammonia, Radium, Thorium, Kalium, Sulfureted hydrogen, etc. Purging: Germ, Pathogen, Microorganisms, Irritative odors, Farina, Dust, Smoke, etc. Generating: Negative ion. Characters: Micro-computer automatic detector, Convenient operation system. technique parameter Power: 12VDC Efficiency : <10w Noise: < 45 Formaldehyde decompounded rate: ≥95% Sterilization rate: ≥90 Negative ion rate: 1?10^6 n/cm3 Amount of wind: 50m3/h area:(m3) 20-30m^3 Weight: (kg) 0.52kg Size: (mm) 230?130?80mm