Noza Tec 100ML Essential Oil Diffuser Portable Ultrasonic Aroma Humidifier with 7 Color Changing LED Lamps, Mist Mode Adjustment and Waterless Auto Shut-off Function SOOTHING & RELAXING: Enjoy the SPA everyday in the comfort of your home and let this diffuser transcend you into deep relaxation QUIET ULTRASONIC OPERATION: Can be used as an Aromatherapy Diffuser/Humidifier/Air Purifier/Night Light. Humidify your living space to prevent dry, stuffy air AUTO-SHUTOFF: Waterless auto shut off ensures safe, adds to safety, energy efficiency, and peace of mind. Especially for use at night 7 COLOR CHANGING:7 changing colorful LED lights, Romantic color light bring happy feeling CONTENT: 100 ml;Working time: 3 hours in continuous mode, 6 hours in intermittent mode