YOHE Aroma Diffuser Oil 300ml Ultrasonic Aromatherapy Diffuser Mist Humidifier For Home Bedroom Office 1.Specification： Size:168*97mm Water tank：300ml Working time: about 11 hours Time mode:60mins/120mins/180mins/ON Materials: PP/ABS Input power: AC100-240V 50/60HZ Output power: DC24V 500MA Advanced ultrasonic technology: 2.4MHZ Length of power cable about 1.5m Coverage area: Around 20-30 M2 Spray quantity: 20ml/h Application: restaurant/bedroom/living room/Yoga room/hotel/Spa/office/home 6 functions:Aroma diffuser/Humidification/Reduce dust/Night light/Timers/Decoration 2 Function Keys: Mist: Press the "MIST" button, and choose the timer from 60mins/120mins/180mins/Steady ON/OFF Light: Frist time press the "LIGHT" button to turn on the LED light, and 7 colors will change automatically Second time press the "LIGHT" button to fix display color randomly. Third time press the "LIGHT" button to manually set a favourite display color and lightness HIGH/LOW Default small fog mode First time press the "HIGH/LOW" button to fog mode Second time press the "HIGH/LOW" button to intermittent spray mode（fog 30 seconds, pause for 30 seconds） Third time press the "HIGH/LOW" button to back to the default small fog mode Package Included: 1 x YOHE Aroma Diffuser 1 x Power Adapter 1 x User Manual Note： 1.Clean the surface of the atomized sheet with a cotton swab. 2.Clean the tank with cleanser essence and water, gently wipe the water tank to dry. 3.Clean the tank about every 3 days. 4.DO NOT wash the device directly under the water tap. 5.Do NOT wash the tank with chemical cleaners. 6.DO NOT use it under 7 years old. Any problem, please send us a massage online or by email, we will reply you asap.