This product uses ABS material, uses 3*AAA batteries(battery not included),

 Size: 7.8*7.8*34.5CM, automatic colorful conversion

Note:
1. Install the fiber optic light and place it on the table for about three to four days. It will become more like a blooming flower
2. Do not expose to rain or moisture
3. Remove the battery cover from the bottom of the device.