Aromatherapy: Enjoy the ultimate aromatherapy experience from this little sleek device using your favorite fragrance without any heating elements making this diffuser safe to use. The advanced ultrasonic technology used, produces vibrations at high frequency turning the water into mist creating a soothing and therapeutic atmosphere Humidifier: Moisturizes and refreshes the quality of air we breathe. This feature is important as it humidifies the hot and dry air in the room during summer and winter when heating is switched on Ionizer: Produces "happy feeling" negative ions which help to lift your mood, strengthen the immune system and relieve stress. Negative ions have several other benefits to the respiratory system and general well being Coloful changing LED light lamp,independent light-control Continuous working & Timer function Keep essential oil 100% natural without burning or heating(Oil is NOT included in this package) and automatic shut off safely Ellipse design,elegant and generous Water tank capacity: 500ml Advanced PP material Most advanced ultrasonice technology:2.4MHZ LED light: 7 Color Changing lamps Adjustable Mist Intensity: high-low Mist output: 50-70ml/H Timing Set: You can set 60/120/180 minutes to let the device to turn off automatically or just choose "on" for turning off manually 0.3 NM, Absorbable, No sweat Noise Level: <35 dB(A) Input: AC 100-240V 50/60 Hz Output: DC 24V, 15.6W, 500mA Product size: Dia16.8XH12.1cm Application:Beauty salon, SPA, Yoga, Bedroom, Living room, Conference room, Office, Reception center, Corridor, Pet room, Toilet, baby room, Hotel, Hospital or any other private / public circumstance