1. The LED fiber optic light uses 3 AA batteries, 3 of which are red, green, and blue in 3 different color combinations to emit colorful light. 2. The product is composed of a single optical fiber with a diameter of 0.4MM, which is an environmentally material. 3. Just install the battery and turn on the switch to enjoy the Christmas ! It is easy to , safe and energy-saving, and does not contain harmful substances and light pollution. 4. A variety of colors flash alternately, beautiful and dynamic in the dark, creating a warm at home. Suitable for Christmas gifts, toys, promotional items, souvenirs, premiums, Year, romantic couples, bedroom, office decoration gifts. 5. Matters needing attention: Avoid high temperature exposure. Because the fiber optic wire is a plastic product, high temperature can easily deform the fiber optic fiber and affect the appearance of the product. The suitable temperature is between -10 degrees and 30 degrees. Electronic components, housings and tree bodies are fragile. Avoid knocking and shaking the floor, and try to handle with care. Do not remove the battery as much as possible for a long time, so as to avoid battery consumption, and it is easy to corrosion and rust to the battery. Product Name: Electroplating Bottom Fiber Optic Lamp Size: height 33cm, bottom diameter 8cm Material:PVC colour:Multicolor discoloration Package Contents: 1 x Fiber optic light Only the above package content, other products are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.