Our indoor waterfall fountain is made of sturdy ABS plastic material, non-toxic, light and durable, can be used for a long time, it is a very good indoor water fountain table decoration.Each indoor waterfall fountain has a built-in silent submersible pump that flows water from the top bowl to the bottom bowl. The water is continuously circulated, make you feel like you are in nature.The tabletop fountain can be used for stress relief and relaxation after a hard day turn on the water fountain before bed and fall asleep to the calm sound of the stream put it indoors and enjoy its gentle creek sound and its beauty The soft glow of a night light you can also try to use it when meditating or doing yoga to soothe all kinds of restless emotions.Our indoor water fountain has two using ways, just assemble, use the USB power cord, insert or directly put the battery into it, which is convenient and quick.This indoor waterfall fountain is suitable for adding color to any tabletop, living room, bedroom or desk decoration. Minimalist style design, your guests will be amazed and loved when they see it. It can be placed at will for various occasions, adding to your fashion taste. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.