Diffuser Timer Mode & Waterless Shut-Off Essential Oil Aroma Diffusers has 4 time setting modes: 0.5H, 1H, 2Hs , 3H, with 100ml capacity, the humidifier can last up to 3-5 hours, the oil will automatically shut off when water is no longer available. Benefits of aromatherapy More than six hours of operation, allows you to keep the room pleasantly fragrant. Through air diffusion, a few drops of essential oil can provide therapeutic aromatherapy to one or more rooms while cleaning the air and creating a pleasantly scented environment. Suitable for yoga, spa and, in your office and bedroom. Best Gift Essential Mist transforms essential oil fragrances into a scented mist providing an exceptional sensory experience. Thanks to its advanced technology, the device diffuses pleasant waves of perfumed mist with captivating fragrances. Choose it to your loved families/friends as birthday/Christmas/holiday gifts to express your love and the concept of healthy life. Operating Modes Mist and