Model Number: LW-128HB Brand Name: Lifewell Key Specifications/Special Features: Pre-filter,filter+ activated carbon filter,cold catalyst filter, UV light and negative ionizer.Low, middle, high, silence , four wind speed for your choice,With remote control, timer setting 7.5 hours,automatic air quality sensorVoltage: 220/50HZRated power: 45WWind speed: four levelsCADR: 177CFMProduct size: 340x220x590mmN.W.: 6KGG.W.: 8KGNoise less than 51DBSuitable for area: 41~60M2