Happy birthday lightsthis set of happy birthday string lights is a great way to celebrate a birthdaythe lights are 4 foot long and you can hang them anywhere because they are battery operatedeach letter has a different colour and an led bulb to illuminate said letter to make a fun and bright birthday celebrationproduct detailssizelength 122 cmextra informationtakes 3 aaa batteries not includedmulticoloured lightshang up anywhere