Specifications: Name: Smart Projection Car Aromatherapy Machine; Material: Metal; Size: 11*6.6*6.6cm/4.33*2.6*2.6inch; Color: as shown in the picture. Automatic On/Off Function: Equipped with a built-in sensor chip, this car air freshener automatically turns on/off when the car starts or stops, providing convenience. 4 Colorful Ambient Lights: Offers four ambient light colors (blue, purple, green, light blue) to create a soothing atmosphere and enhance your driving experience. High-Quality Material & Design: Made of metal, this air freshener is durable and features a sleek design that fits perfectly into any car interior, adding modern elegance. Easy to Use & Maintain: Simple one-button operation for easy use, and minimal effort required for cleaning and refilling. Multiple Functions: Serves as an air freshener, humidifier, and aromatherapy diffuser to keep the car air fresh and moist, ensuring a comfortable driving environment. Packing List: 1pc Smart Projection Car Aromatherapy Machine.