So, we guess any old string lights will do the job... But not like this! These battery-operated wooden reindeer disc string lights are just as festive feeling on and off. For that unmistakable Christmas feeling. 10 light-up wooden discs on a 1.4m wire. Requires 3 x AA batteries. Indoor use only. - ValueLights Christmas Indoor Wooden Star & Reindeer Disc String Lights 10 Warm White Bulbs