Features: High-quality materials: Made from high-quality materials with natural plant extracts, this car aromatherapy diffuser is safe and reliable to use. Wireless design: The device features a built-in rechargeable large-capacity battery with long standby time. 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, allowing it to start and stop with the car without manual operation. Offers 5 adjustable aroma intensity levels, with a digital display for easy level monitoring. Projector lamp: Designed with a projection light that displays on the car ceiling to create a romantic ambiance. Excellent gift: This car aromatherapy humidifier makes a great gift for family, friends, partners, colleagues, and neighbors during holidays such as Christmas, Thanksgiving, Easter, and birthdays. 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.