Premium Ceramic Diffuser This stone diffuser has a handmade ceramic cover that is an unique and elegant style, complements any decor scheme, as well as dirt resistance and Easy to clean, Solid and durable. Stone Essential oil diffuserAromatherapy Essential oil diffuser can purify air effectively. Perfect gift for family and friends. Protect your family from excessively dry air, dust, and so on! Auto Shut-off Once the water runs out, it will be auto shut-off to protect the device. Switching power supply system, safer and better for energy saving. Low NoiseRun steady and noiselessly, give you a quiet and comfortable environment. Great ideal for home, office desk, bedroom, yoga studios, SPA, office, et. 7 Atmosphere Lamp 7-color cycle, 1-color fixed. You can choose to cycle them through, freeze on one fixed color and create a different atmosphere of interior space or turn the light off.