Important note: The machine is designed with a light sensor, and the night light will only automatically turn on in dark environments. If you like a romantic atmosphere, you can rest assured to purchase. Recommendation: It is recommended to use oil soluble essential oils with good fluidity, and not to use essential oils with too high concentration or too viscous. Plug Type:US Plug,it applies to Canada, India,Mexico, Thailand, the United States, the Philippines,Taiwan and so on. Voltage: AC110V Colour: White Material: plastic Package Contents: 1 x Smart Fragrance 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.