Cute cactus design. USB powered and sized as130 * 80 * 80mm, makes it easy to carry. Easy for you to fit it into a coat pocket, let alone in your luggage. 4 hours automatic power-off protection. Make sure there is enough water before running. One-button touch switch makes the operation very easy. The night lights will be closed automatically after 1 hour using. Adopted Ultrasonic Technology, No noisy voice will not interfere with your sleep or work. When the water runs out, it automatically stops driving. It can soften and moisten dry and chapped skin in winter. Use as mister during summer or hot weather. Or even as a moisturizer for your hands by holding your hands over mist. Suitable for car baby bedroom office home study yoga spa to help you enjoy the peace of life. Wonderful gift for relatives, friends, teachers and classmates.