Take this item home, it will help you effectively: Ultrasonic Diffuser Humidifiers can more effectively break water and essential oils into extremely micro-particles, which can absorb dust and other something unhealthy in air, also release much oxygen anion helps for better breath. So, humidifiers provide a large amount of fresh air for those who suffer from dry cough, dry chapped skin, chapped lips, itchy nose or eyes, allergies sinus headaches and sleeping problems, reduce static electricity shocks. Also, help you cover the smell of pets or smoking.One button easy touch control with various work modes, short touch 1st time for continuous mist with 7 colors LED lights in 3 hrs, 2nd time touch for intermittent mist with light in 7 hrs, 3rd time for continuous without light in 5 hrs, hold touch it to shut off. The colorful mood lights is very beautiful to decorate your car at night, large 200mL water tank so you no need to refill water frequently, nice accessories for car and truck