1. The 200ML water tank keeps moisturizing all day long. Fill it with water once. It provides long-lasting humidification without frequent water refills. You can play with confidence. 2. Aromatherapy essential be added to bid farewell to fatigue and soothe the body and mind. 3. Combine light and shadow + fog to create a realistic flame effect 4. Automatically cut off the power when there is water shortage to prevent dry burning. When there is no water, the power will be automatically cut off immediately to avoid dry burning. 5. Dual-mode gradient ambient light rainbow romantic warm yellow cozy LED night light with a of colors to choose Colour:Black Material:Plastic Size:15.2x15.2x7.7cm Package Contents: 1 * Aromatherapy machine 1 * English instruction manual 1 * USB cable 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.