.IT ENSURES SUPER QUIET, CONSISTENT OPERATION NO MATTER THE SETTING SO YOUR LIVING SPACE IS EVENLY HUMIDIFIED WITH HEALTHY, SOOTHING MIST. PREVENTS DRY , SMELLY AIR AND CHAPPED SKIN DURING WINTER OR WHEN IN DRY LOCATIONS . The water tank capacity range from 100ml to 280ml, allowing for continuous operation for several hours..It typically uses ultrasonic technology to create a quiet,fine mist without using heat.It can be used as an essential oil diffuser and a humidifier, releasing a cool mist into the air .. It has a star /galaxy projector feature that projects patterns onto the ceiling. REQUIREMENTS:.Power
.water
.ABS &PP plastic
.USB cable and a user manual