The ultimate aromatherapy bundle features a 400ml BPA-free ultra sonic diffuser + humidifier with 4 timer modes including 1hr, 3hr, 6hr and continuous. It features two mist modes with strong or light mist output. It also features 7 mode ambient light settins with high various intensity settings. An auto Shutoff is built in for when water levels run low. Also included is a premium set of the top 10 100% pure essential oils with ingredients sourced from around the world. This 10 pack includes lemongrass oil, lavender oil, jasmine oil, clove oil, eucalyptus oil, tea tree oil, spearmint oil, orange oil, peppermint oil and nutmeg oil.