Doterra Koala Kids Room Nursery Essential Oil Diffuser with Music, Sounds, and Lights. Diffuser is fully functional and works great. My daughter just outgrew it and no longer uses it. The inside is discolored slightly due to previous essential oil diffusing. See pictures for condition. Smoke and pet free home Features: Water capacity: 90mL (~3 fl. oz.) Volume control and pause playback Music options: piano lullaby, real natural bush, meditation, and birds at sunrise Continuous mist: up to 4 hours or intermittent mist: up to 8 hours Ambient light options (dim and bright warm or none) Set timer for up to 2hr/4hr/8hr Automatic safety shut-off