About this item CAR ESSENTIAL OIL DIFFUSER: Car diffusers, fit your lavender or other essential oils, aromatherapy diffusers for fragrance spa in car, sweet smell from this car humidifiers can works for stress, anxiety, relaxation and energetic driving time, also cover the smell from pet or smoking, especially much workful for a new car (Tips: because of bigger water tank, it need more time to absorb enough water then start mist, put it upside down can speed up this process) HIGH-QUALITY AIR IN CAR: The small space in car will much easier breed harmful particles, dust, lack of oxygen, bad smell and dry skin problems, one car diffuser humidifiers can solve this problems effectively. The humidifiers take new ultrasonic tech. to release plenty of tiny water-drops, make oxygen anion and balance the air humidity, absorb dust in car to fresh air, more oxygen anion will works for better breath, humidity can prevent dry skin problems RICH MODES EASY OPERATION: 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 USB POWER AUTO SHUT-OFF: Powered by USB cable(no adapter included) so the diffuser will fit for almost any occasion, USB is a kind of friendly power source because its low voltage can prevent from electric shock. Auto shut off if water was used up, just set it then forget it. BPA-Free material is harmless for baby and pregnant, unique gift for Christmas Xmas mother birthday HUMIDIFIERS FOR CAR HOME OFFICE: This car humidifiers work for you anywhere. In the car cup holder as an car air freshener, powered by car charger. In bedroom as an air humidifiers for clean air and works for dry air problems, powered by cellphone adapter. On office desk as an air purifier for relaxation and energetic working time, powered by computer USB ports. Any anywhere anytime, this nice device will work for you.