Create your perfect design and fragrance combination for a welcoming home environment. Mix and match your favorite Scent-Plug air freshener with a Yankee Candle Scent-Plug fragrance refill. Use in a standard 120-volt electrical outlet with a Yankee Candle Scent-Plug refill. Ensure that fragrance refill is upright when placed in the outlet. If needed, rotate the plug on the back of the base. To rotate the plug, hold the front of the air freshener upright with one hand, grasp the blades in the other hand and rotate blades 90 degrees. A convenient way to have room-filling, continuous home fragrance in multiple designs and locations. Try in the entryway or foyer to greet guests with your signature scent!