... blue backlight LCD display,electronic buttonTimber1,2,4,8 hoursSafetyMicro-switch,automatic Shut Off When rear covers openedMaintenance1.HEPA TYPE filter ... locationBedroom, Office, Club and HotelSuitable room space16sqm, 5 times recycle in one hourExlusive marketUSA, Canada, MexicaPackageUNIT SIZE mmQ'TYBox stylePACKAGE SIZE ... .0404.13/5.016701,4191,595 Room air purifier(open in USA)