[SUPER QUIET]The Humidifier has a portable and small design, so it is easy take with you anywhere and super perfect for travel,bedroom,office, car and for baby. Its new ultrasonic technology does not generate any noise, so you will not be disturbed when sleeping or working. [NIGHT LIGHT MODE]This portable desktop humidifier can offer warm night light when spraying the mist,giving you better sleep to improve your sleep quality, alleviate the discomfort and moisturize your skin. [SAFE & AUTO SHUT-OFF]There is built-in water level sensor inside that will automatically turn off the power when the water is lower than the safe water level. And the seal is strong,no longer afraid of pouring liquid to leak in accidence. [LONG WORKING TIME]This mini humidifier has two modes. When you press the button first time, it will continuously spray for 4 hours. When you press again and it will intermittently spray for 8 hours. 260ml large capacity produces longer mist. [KINDLY REMINDER]Do not use essential oils,perfume, distilled water, which will cause the cotton swab to clog and the Humidifier to be unusable. Please make sure the cotton core has soaked a few minutes before you turning it on. Any quality problem, please contact us, we will reply you within 27 hours to help you.