MATERIAL&SIZE: Lamp is 3.4Inch in Dia and 10.8Inch in Height.Made of high quality resin and plastic, the lamp can last for a few seasons.When the "tornado" is turned on, it makes a tiny noise, which is the sound of the tornado and the spinning of the water POWER SOURCE: USB cable(Included). The novel design suits for Christmas decoration, party decoration and even daily use. The vivid tornado effect can enhance the festive atmosphere for your friends and family. Vortex generation: Simply add your own water for a realistic extreme weather whirlpool maker at the side of your desk. Adapter Driven by a whisper quiet motor in order to satisfy the requirements quite Durability test: We have been in operation for 60 days, the quality is very good, there is no damage, We created our new product totally from scratch, designing every part in our own factory. That's why we are so confident you'll love our twister mood lamp. Novelty gift: Birthday holiday or Christmas gift for youth teen, kids, boys, girls, papa, grandpa, uncle, dad, father, men, women. typhoon expert dads, uncles, aunts, niece, nephew, sons and daughters.For storm, tornado chaser & weather enthusiast . This Tornado decorative lamp, very quiet, its lamp is composed of LED, very long life, It can change color automatically - Compared with other ordinary lava lamps, the biggest feature of this product is that this tornado lamp is a LED lighting lamp that have 7 colors changing smoothly and automatically. And the tiny sequins in the lamp made the colorful light and cool tornado more stunning