Features 2, 4, and 8 hours of continuous misting time. The 4 music settings and brightness control makes this the perfect night light for a kid's bedroom. The diffuser comes with a wall plug and a USB plug so that you can choose how it's used. It comes with a 15ml Lavender essential oil to help calm the kiddies off to sleep. $1 from each sale goes towards the Foundation for Parks and Wildlife to restore habitat for Koalas.