FRAGRANCE: Transforms fragrance infused with natural essential oils into a gentle mist. This gentle fragrance is a combination of fresh juicy red apples, freshly ground warm cinnamon and spicy nutmeg with sweet vanilla and warm woody notes | VALUE: Each refill provides up to 45 days fragrance based on low setting | READY TO USE, NO MESS: No need to add water, each refill comes ready to use, easy to change out the refills | OPTIMAL FRAGRANCE EXPERIENCE: Device does not mist continuously, it runs in 8 hour cycles, going on standby till next day | CONTROL FREQUENCY OF MIST: *Low – 4 sec. Mist (17 min Pause), **Medium – 5 sec. Mist (12 min Pause), ***High – 6 sec Mist (10min Pause).