Essential Oil Diffuser, Elecstars 100ml Cool Mist Humidifier with Adjustable Mist Mode Portable Ultrasonic with Color LED Lights Changing and Waterless Auto Shut-off Function for Home Office Bedroom It fills the space with a lovely fragrance that can lift the mood and relieve stress from stressful and tired day, perfect for masking stubborn smoking and pet odors, get great and peaceful nights' sleep surrounded by the aromatic fragrance. Whisper-Quiet Ultrasonic Operation - humidify your living space to prevent dry, stuffy air and flu/cold germs infecting your loved ones. Prevent dry and chapped skin in dry winter months. Spark Your Kid's Imagination with 7 Changing Mood Lights, each of which is adjustable between Bright and Dim modes, and could be set steady on. Great night light for young children scared of the dark at bedtime. Color including: Green, Dark blue, Red, Yellow, Pink, Light blue, White. Shuts Off Automatically When The Water Runs Out. Portable for Home, Yoga, Office, Spa, Bedroom, Baby Room. Perfect gift idea for family and friends who love aromatherapy or can benefit from Aromatherapy healing. Three Working Modes: Intermittent Mist(30 seconds on/30 seconds off), Continuous Mist, Lights only. Content: 100 ml, Extra Long Power Cord: 6 feet, Item Size: 3.9 * 5.7in Weight: 11oz. Material: PP Hard Plastic, Working Time: 3 hours in continuous mode, 6 hours in intermittent mode