Young Living Lustre diffuser. The Young Living Lustre™ Artisan Diffuser hails from the Pearl River Delta of China, a haven for artisans, poets, and painters for hundreds of years. Every Lustre glass cover is handcrafted by a master glassblower trained for years in the art of glasswork, making each Lustre diffuser a unique work of art that will illuminate the décor of any home. 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 8 different LED light options that run independent of diffuser function Diffuser coverage area of up to 375 square feet