Features: High-quality materials: Made from quality materials with natural plant extracts, this car aromatherapy diffuser is safe and reliable for use. Wireless design: The car diffuser features a built-in rechargeable battery with long standby time, allowing convenient usage without constant power connection. (Note: The standard model is plug-in powered and not wireless.) Multifunctional design: Equipped with an intelligent chip for automatic sensing when entering or exiting the vehicle, enabling automatic start and stop operation. No manual activation required. Offers 5 adjustable aroma intensity levels with a clear digital display for easy control. Projector lamp: Includes a projector light that projects onto the car ceiling, enhancing the interior ambiance. Excellent gift choice: This car aromatherapy humidifier makes a thoughtful gift for family, friends, partners, or colleagues on occasions such as Christmas, Thanksgiving, Easter, birthdays, and other holidays. Notice: * Actual color may vary slightly due to lighting effects. * Please allow 1-3 cm deviation due to manual measurement. Material: Aromatherapy device: Metal Size: Aromatherapy device: 110 x 65 x 65 mm Perfume bottle: 67 x 45 x 45 mm Cotton swab length: 9.5 cm Perfume net content: 50 ml Note: The standard version is plug-in powered, does not include a projector, and offers only three adjustment levels.