... Ultrasonic 2.4MHZ 20-25db for Essential oil ultrasonic aroma diffuser SpecificationModel No:LM-168Essential oil:YesUltrasonic rate:2 ... 13WTiming:Yes 60/120/180/ON minutesMaterial:PPEffective area:Aroma 40 M2 Humidification 25 M2Water:Tap water / Purified ... ….Anion:YesAccessory:Power supply,Measured cup, User manualAdwantage:Our Aroma diffuser is designed for Essential Oil, Ultrasonic technoloty,which ...