Benefits and Features High diffusion mode that can run up to 6 hours, or with 3 different timer options: 60, 90, and 120 minutes • Intermittent diffusion mode that runs up to 12 hours with intervals of 30 seconds on and 30 seconds off • Handcrafted blown glass cover and soft white tones create exquisite designs that coordinate perfectly with any décor • 8 different LED light options that run independent of diffuser function • Diffuser coverage area of up to 375 square feet