This product is combined with some great ideas on their use - here are just a few that may help you - wedding bouquets, vase with glass beads, floral displays, garlands and wreaths, bay trees, arches, mantelpiece, windows, children"s nightlight, and even as a clothing accessory. Feature: These very bright LED string lights operate from 3 x AA batteries (not supplied) The small clear plastic battery box is approx 17mm x 47mm x 75mm long and can therefore be easily hidden in any lighting display. The lights can be used in constant ON mode or Flash mode and there is an ON/FLASH/OFF switch on the battery box. Between the battery box and the first light there is approx 25cm of clear wire. These lights are great for decorating anywhere and are cool to touch so you can decorate clothing, costumes, plants, flower arrangements etc. Use at Weddings, Christmas, Parties, BBQ"s etc. Total bulbs :40 LED Total length:approx. 5m Color:White Shape:BUTTERFLY Power:3 x AA battery (not included) Package content: 1 x BUTTERFLY LED AA Battery String Fairy Light Please note, this is not a fully waterproof one, to maintain the long life span, you shall keep it from rain or damp environment.