... 220V 3.running time: 21-30 square meter 4.noise:<35db(a) Beautiful room air humidifier Advantages ... etc. 3.Certificates(Adaptor): CE,FCC,RoHS etc.4.Warranty period: one year for quality problems5.Strict ... , relieve stress and ensure better sleep.4.Applicable area: Home,Beauty salon,SPA,Yoga,Office,Corridor,Pet ... or customized colorTechnical Data:1.Capacity: 2.6~4.0 L2.Power: AC 100-240V 25W3.Noise ...