Multicoloured: Brightly coloured LED bulbs in red, green, yellow and blue. 3 modes: Three different light modes to get into the Christmas spirit! Necklace: Makes a decorative party necklace! Battery: CR1220*2 (Included). Christmas accessory: Get a Christmas LED light bulb accessory. Perfect for: Christmas parties, fancy dress, festive drinks and more! Christmas Led Light Bulb Accessory | Living Social | Living Social