UK-Gardens 20 multi-coloured LED Merry Christmas light string Xmas decoration for walls, Christmas trees, shelves, windows, mantlepieces and doors around your home. These Christmas lights will provide an extra splash of colour to your festive fun. These battery operated (2xAA) lights are suitable for indoor use only. Please note batteries are not included. Max product length 180cm, each letter is approx 4x4cm, the gap between each letter is approx 6cm.