Power options: Choose either USB or battery operated lights (needs three AA batteries, not included). Great for: Brightening outdoor events, like weddings, Christmas parties and BBQs. Christmas: Get Christmas bauble style LED lights. Colours: Available in multicolour, pink, grey, blue, green and white. Dimensions: Approximately 3.5cm ball diameter and 2.2m wire length. Christmas Bauble Led String Lights | Green | Living Social