1.One machine with multi use. 2.Easy to use 3.Long lifespan 4.High-efficiency and safe. Product feature:1.HEPA,Carbon filtering,TiO2 sterilization,Anion technology fresh air2.Decomposition and absorption harmful chemical gas and smell3.LED screens display,Three gears wind speed,Indicator of replace filter 4.Wireless remote control for 4,8,12 hours timing5.Noise:49dBproduct parameters: ...