Valink Electronics 12cm Christmas Tree Fiber Optic Light Colorful Light Emitting the Flowers three-dimensional Christmas Tree Decoration Gift Total height 12cm, the products need? batteries to switch. The above is a fiber optic trees, light at the bottom, with controllable button Light romantic mode, very beautiful the lights automatically change color, three-color loop flashes slowly fade. use of 2 CR1220 button batteries ( Not including)