Twinkly Light Strings will add advanced technology to your holiday decorations and change your holiday lighting displays forever. Twinkly combines colorful RGB LED lights with an impressive variety of levels for brightness, speed, intensity, and color palettes; fully controlled though the Twinkly app on your smartphone and compatible with iOS and Android. The powerful mapping tool of the Twinkly app will locate the position of each light and use this innovative technology to perform professional, pixel-perfect designs, patterns, and animations. The result is sophisticated light effects that can be chosen from the online gallery or customized to express your own creativity. The powerful color picker assists in choosing the prefect color from more than 16 million vivid color options. The light string has 600 RGB LED lights positioned every 3.5" to decorate your Christmas tree. Twinkly lights can be synchronized together, up to 4000 lights, to create impressive displays for the holiday or year-round. Twinkly has reinvented Christmas lights to brighten your world.