Indulge in distinctive WoodWick® design with a diffuser that offers a captivating glow and sophisticated fragrance. Intentionally designed to resonate with your discerning style, Radiance boasts premium details such as a metal lid and real cork base. Timer feature delivers ambiance precisely when you want it, automatically. Diffuser with candle-like glow and innovative fan is cordless and battery-operated (requires 4 AA batteries, not included). Timer diffuses fragrance 5 hours a day for up to 30 days per refill. Refills are mess-free, easy to change, and don’t require water. Can be used interchangeably with Yankee Candle® Scent Light Refills.