Use scenarios: home, hotel, office, bar, gym and other commercial marketing places Silent atomization, decompression sleep, relax body and mind. LCD display intelligent memory function, data can be saved automatically after one setting, no need to worry about power failure, power failure, . Wall-mount design allows you to stand up and use it. Large capacity 400ml essential oil bottle can meet your needs Intelligent time adjustment, multi-level time design, concentration Two styles to choose from, horizontal and wall-mounted Slight color difference or difference in kind, please do not mind, does not affect the use, thank you! Product Name: Bluetooth WIFI Button Fragrance Machine/Optional Voltage: DC12V Power: 5W Noise: Less than 38dba Oil capacity: 400ml(Ships without essential oils) Installation: flat / wall hanging Plug Type :EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on. Voltage: AC 220V Colour:A: black Material:PP Package Contents: 1 x Aroma Diffuser Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.