Pure Essential Oil Works Serenity LED Ultrasonic Aroma Diffuser, Diffuses Essential Oils with Cool Mist, Adjustable Mist Options, Four Time Setting Options, Auto Shut-Off and Seven LED Light Colors

Never buy another diffuser again. The serenity ultrasonic aroma diffuser uses ultrasonic technology to cold diffuse pure essential aromatherapy oils. The unit diffuses fine micro-particles into the air as a mist without heat to protect the aroma solution. Perfect for use in spas, retail areas, home and office. The unit also purifies air generating negative ions to remove pollutants, bacteria, fine dust, smoke and viruses. Helps to relieve depression, stress, fatigue and allows for better sleep. The extra large water tank holds up to 500 ml of water -- nearly seven times more than conventional models. This assures up to 10 hours of continuous use before refilling. The unit features two mist options (high and low), three light options (on/off, soft, bright), seven light colors (white, green, red, yellow, blue, aqua, purple) and four timer settings (60, 120, 180 minutes and continuous). Light colors can be fixed or gradually faded through all colors. Features auto shut-off when water runs out. 100% quiet, the unit can be used without aromatherapy oils to add moisture to air. Includes ac adapter and water refill cup. 6. 5 inch round x 4. 75 inch one year limited warranty essential oils not included use filtered water for best results perfect for spas, retail areas, and homes. Doesn't use heat to mist aroma. Uses ultrasonic technology UL Approved.