Design: The combination of cycled flowing water fountain, cobblestones and LED lights makes our decorations more beautiful. Fashion and elegant, this fountain brings soothing and wonderful to your home and courtyard. Easy to use: After installing the fountain in the bonsai, pour clean water into it. After plugging in the power, there will be pleasing water flowing slowly. Power supply: use 2 AA batteries (not included) or use 5V/1A USB adapter to charge (USB cable provided). Relieve stress: The desktop fountain can be used to relieve stress and relax after a hard day; turn on the waterfall fountain before going to bed and fall asleep listening to the sound of the calm stream; put it in the 's nursery so that they can enjoy the sound of its gentle stream It has a soft glow like a night light; use it when you try to meditate or practice yoga. colour: black Material: ABS Package Contents: 1 x fountain (without 2 AA batteries) 1 x USB data cable 1 bag x pebbles Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.