Are you looking for a Christmas light to illuminate your (Christmas) trees, garden or other objects with only one plug and one socket? Then this expandable Christmas lighting is just what you need. The easy chaining system is the main reason why many professionals and individuals choose these expandable Christmas light strings. Our Christmas light strings in warm white with blue sparkle is quite eye-catching. The warm-white LEDs create a cozy atmosphere with their yellow-orange light, while the blue sparkle LEDs perform an exciting light show.