Devanti Aroma Diffuser, 300ml Wood Grain Air Humidifier Purifier Essential Oils Car Freshener Vaporizer Aromatherapy Diffusers Scent Booster Home Office Bedroom Humidifiers Steam, 7 Led LightWaterless Auto off Safety PP materials, which baby bottles are made from, make our diffuser better and healthier. It can run up to about 10 hours of continuous output. Automatic power off when water used up, which ensures guaranteed safety. Purify Air & Quiet Comfort Adopted ultrasonic technology, this diffuser is whisper quiet when working. It gives out ultrafine and smooth mist which can soften and moisturize dry and chapped skin in winter. It also