[7 LED COLOR ROTATING LIGHTS: This car aromatherapy humidifier is equipped with vibrant color cycling light settings offering 7 different changing colors that create a serene and cozy atmosphere inside your car enhancing your driving experience. It is highly suitable for use during holidays and when going on family trips. EASY TO USE: First click: Turn on the light and activate continuous mist. Second click: Activate intermittent spray for 30 seconds. Third click: Turn off all lights and mist. LNSTRUCTIONS FORUSE: When using please plug the included power cord into the 5V2A car charger in the car. When adding water please be careful not to exceed the MAX line marked on the water tank. Then add 1-2 drops of water-soluble essential oil close the lid and press the button to start. "GREAT GIFT FOR EVERYONE: This is a popular car aromatherapy essential oil diffuser making it the perfect gift for anyone who owns a car. It allows you to enjoy the aromatherapy journey on the go. Moreover its an excellent gift to give to your loved ones on important holidays!" SAFETY GUARANTEE: Our car diffuser humidifier adopts an automatic shut-off design when there is no water ensuring your safety while enjoying the aroma it provides. If you have any questions please feel free to contact us. We will address your concerns within 24 hours. Thank you!]