100 ml diffuser, a very beautiful design. Aromatherapy essential oil diffuser, cool mist humidifier, night light. With the 7 soothing LED light, you can cycle through it or freeze it on one fixed color. Lights can be turned off for aromatherapy only. When water runs out the diffuser will automaticly shut-off. This model is perfect for any home, yoga studio, spa, living space, bathroom, babys room and office. This amazing design makes for peaceful ambient.