2x Twinkly 250 RGB Gen 2 Multi Colour LED App Controlled XMAS String Lights 20m

  

If you already have any twinkly generation 2 RGB lights you can add and combine up to 4000 lights together and map them in the twinkly app so all your lights are in sync with each other. These are generation 2 lights which are the newest and latest version (500 lights in total which is 2 x 250).