?AUTO-OFF Function?The scent diffuser is work up to 6 Hours. Once the water runs out, mist and light will be auto shut-off to protect the device. ?Low Noise & Moisturizes?Drop essential oils into aromatherapy diffusers(below -30dB), give you a quiet and comfortable environment. Portable for bedroom, office, spa, kitchen, or tabletops!. ?4 timing modes and 2 Misting Modes Diffuser?The diffuser has Intermittent mist mode that works 30s and pauses 30s, And Continuous mist that keep misting until water runs out. It helps you to keep the skin moisturized and comfortable.4 timing modes, ON/30S Intermittent/2H/4H, to meet diversified needs. ?BPA-Free Air Diffuser?Made of high-quality polypropylene + ABS material, BPA-Free. Protect your family from excessively dry air, dust, and so on! This would be an ideal gift for family, friends and yourself!. ?Two Realistic Flame Colors Diffuser?The Flame Aromatherapy Diffuser bring you a realistic fire atmosphere. The touchable flame perfect for decorating home and office. No.