Transform your living space with the scent of your choosing using the Vapor Green Ultrasonic Aroma Diffuser. This diffuser runs continuously for up to 4 hours or intermittently for up to 8 hours. Tailor your experience with the 60, 90, or 120-minute timer and the 7 LED lights. The 7 LED lights can rotate or be fixed to one color. To use, add water and your favorite essential oil, switch it on, and unwind as the cool mist recharges and soothes you.