1、You can adjust according to your own preferences as there are a variety of LED light, and different colors will give you a different lighting experience. 2、The automatic shutdown function indicates that the aromatherapy machine will automatically shut down when the water level is too low. 3、It is easy to carry the aroma diffuser due to its small in size, light in weight, and you can put this aroma diffuser in your bag. 4、Essential oil diffuser is suitable for yoga, parties, work, SPA massage and other scenes, which has a wide range of application. 5、Aroma Diffuser with a capacity of 100ML is enough to meet your daily needs, with low power consumption, it will be energy saving and environmentally friendly. 1 x Aroma Diffuser Outer Cover1 x Aroma Diffuser Liner1 x Liner Cover1 x Data Line1 x Manual  Item Type: Aroma DiffuserMaterial: Metal + ABSWeight: Approx. 364g / 12.8oz Product Size: Approx. 9.8x 15.5cm / 3.9x 6.1in (Diameter x Height)Color: BlackRated Power: 5WRated Voltage and Current: 5V 1.2AMaximum Capacity: 100mLWorking Time: 4-6 HoursCoverage Area: 13m² / 140ft²Automatic Shut Off Function: when the water level is too low, the diffuser will shut down