You should use adhesive tape to fix the optical fiber lighting in power adapter. Optical fiber bright colors and beat rhythm, widely used to make curtain, screen, ceiling sky decoration. Please feel free to get in touch if you have any queries about this item.We offer a full 30 day return period on all our items. The item "Dewel 16W RGBW LED Fiber Optic Light Star Ceiling Kit Lights" is in sale since Friday, July 07, 2017. This item is in the category "Home, Furniture & DIY\Lighting\Ceiling Lights & Chandeliers". The seller is "briz-co" and is located in Bristol. This item can be shipped to United Kingdom, Austria, Belgium, Cyprus, Czech republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Ireland, Italy, Luxembourg, Malta, Netherlands, Portugal, Spain, Sweden, Australia, United States, Canada, Japan, New Zealand, Israel, Hong Kong, Norway, Singapore, South Korea, Switzerland, Taiwan.