Homestarry Fade String Lights 15 Ft 50 Micro Warm White/Cool White Automatic Switching LED's on Silver Extra Thin Wire for DIY Wedding Centerpiece or Table Decorations Lighting perfect transition Homestarry new technology to warm white and cool white two light combined on a string. Warm white and cool white automatic switching. Warm white light to maintain 12 seconds and then switch to cold white light. Taking into account your warm white and cool white needs. These totally flexible lights are made with New Wire Technology. The string is made of ultra-thin silver which bends into any arrangement you choose. The lights are sturdy and can even withstand the outdoor elements since they are totally waterproof. Homestarry 50 Super Bright Warm White and Cool White LED Lights are just the right size for smaller crafts, decorations, and fun projects. These lights have 13.82 feet of ultra-thin silver wire with 2.67 inches between each LED bulb and 1.18ft of clear cable between the wire and the battery box. The total length of this light string is over 15feet. Our clear battery box is unique because it is so easily concealed and can be hidden from view. These lights require 3 AA batteries, which are not included in this package. A 18 Month warranty is included in your purchase price. Homestarrys patent on these lights assures you will receive a superior product. Others are illegally selling fake products and offer no guarantee of quality or safety. When you purchase from Homestarry, you can feel confident that you are buying a superior product that will bring pleasure for many years to come.