Scented oil plug-in warmer continuously diffuses scent with easy adjust capabilities which gives 5 different levels of fragrance settings. Contains natural essential oils for a better fragrance experience. Provides up to 60 days of continuous & LONG LASTING FRAGRANCE per refill. Get the confidence of knowing that your home is always welcoming & pleasurable for family & unexpected guests. Use in any room: living room, bathroom, bedroom, hallways, kitchens & office - it is definitely an excellent addition to any of these spaces and works well in whichever area of the home you would like to add fragrance.