Large Capacity - The mini cute cat doll face humidifier has 40ml large capacity water tank which can be applied about 20-22 times, no need to add water frequently, when there is enough water, it can be applied for 20 minutes continuously. 2 in 1 Function - It's like a nano fogger and also a 120db emergency security alarm. press the button to activate the emergency siren when you are in danger, use the alerts to attract attention and ask for help. The battery capacity is 500mAh, the alarm can be triggered and maintained for 100 minutes. Perfect as a gift for teenage girls and young children. 0.3um Fine Mist - Ultrasonic vibration technique breaks down moisture to 0.3um. A much finer mist can be absorbed instantly, deeply moisturizes your skin, does not damage your makeup, and helps the eyelash extension adhesive harden faster. Easy to carry - our product is small in size and easy to carry, this handy USB skin care machine can bring you convenience whether you are shopping, traveling or on a business trip, it will make you feel relaxed and fresh during the warm summer and will keep skin moisturized in winter. After-sales service - Our product has been well tested, examined and packaged well before sending out. Please feel free to contact us if you have any problem with the products or the service. We will do our best to give you a satisfactory solution.</ p>