Our classic wood grain finish essential Diffuser has a 500 ml capacity and uses state-of-the-art wave diffusion technology to atomize essential oils for ultimate wellness. There're 7 LED light .Do not add water over max-line ( less water , more mist ) · Use water-soluble essential oil, Oil Diffuser built-in 4-time setting modes: 1 hour, 2 hours, 3 hours, and continuous. And there are 2 options of mist for you to choose from, strong and standard mist. Working Time:8 hours in strong mist,12 hours in weak mist, security working with Waterless Auto Shut-Off Function., Cool mist humidifier diffuser diffusing technology makes it can disperse mist without heating water. Since ultrasonic technology, the air diffuser for essential oils operates very quiet (Below 35dB). Best Oil diffuser for bedroom/office!, The diffuser can be used as an oil diffuser for essential oils / cool mist humidifiers. Designed with an auto turn-off function, the oil diffuser would turn off automatically in 5s once it runs out of water or time’s up.,