1.Can be used as aroma diffuser and humidifier 2.Compact type for daily life using 3.Timing function: 30, 60, 120, 180min 4.Arm with 7 colors of led lights, like a rainbow 5. Auto-off when waterless Product type Ultrasonic humidifier Material: pp installation:tabletop / portable Power (w):12 model number:h709 Capacity:90ml color:white Atomination method:ultrasonic mist output:20-30 ml/h Net weight:0.37kg. Continuous duration: 4h