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: This model features a built-in rechargeable battery with long standby time, allowing for convenient wireless operation. (Note: The standard model is plug-in powered and not wireless.) Multifunctional design: Equipped with an intelligent chip, the device automatically detects when you enter or exit the vehicle, enabling automatic start and stop functions without manual operation. Offers 5 adjustable aroma intensity levels, with a digital display for easy level monitoring. Projector lamp: Includes a projector light that projects onto the car ceiling, creating a pleasant and ambient atmosphere during nighttime drives. 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 variation 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 (not wireless), does not include a projector, and offers only three adjustment levels.