Specifications Name: Smart Projection Car Aromatherapy Machine Material: Metal Size: 11*6.6*6.6cm/4.33*2.6*2.6inch Color: Black Description Automatic On/Off Function: This car air freshener features an automatic on/off function. It uses a built-in sensor chip to detect when the car is started or stopped, ensuring it turns on and off automatically for convenience. 4 Colorful Ambient Lights: The device offers four different ambient light colors: blue, purple, green, and light blue. These lights create a soothing atmosphere in your car, enhancing your driving experience. High-Quality Material and Design: Made from high-quality materials, this air freshener is long-lasting. Its sleek design fits perfectly into any car interior, adding a touch of modern elegance. Easy to Use and Maintain: The air freshener is easy to use with a simple one-button operation. It is also easy to maintain, requiring minimal effort to clean and refill. Multiple Functions: In addition to its primary function as an air freshener, this device also serves as a humidifier and aromatherapy diffuser. It helps keep the air in your car fresh and moist, providing a comfortable driving environment. Packing List: 1pc Smart Projection Car Aromatherapy Machine