Elevate your home's look and aroma with the Terracotta Stone Diffuser by VITRUVI. This beautifully-crafted diffuser helps you diffuse essential oils throughout your home, while doubling as a stunningly simple piece of decor. Featuring ultrasonic technology that runs through 2.5 vibrations per second instead of emitting heat, so that the plastic, water, and oils are never heated. Inspired by natural materials, the matte Terracotta color brings a rich depth to any shelf, table, or counter.The Details3-hour setting keeps diffuser running continuously for three hours7.5-hour setting allows diffuser to run for 30 seconds, then pause for 30 seconds for 7.5 hoursHigh-quality BPA-free plastic water reservoirMeasures approx 9 cm W x 18 cm HRevolve Style No. VITR-WU27Manufacturer Style No. STO-60003-01Actual packaging and materials may vary. Please read labels, warnings, and directions before use.How to UseFill up the water reservoir to the fill line. Add 15 - 20 drops of 100% pure essential oils and select your time settingSafety feature shuts off automatically when time has ended or water has run out