Simply place the bright white firefly style string lights into a bottle, the faux LED candle flame sits on top of the cork, two looks for one! Each cork takes 3 x LR44 batteries, that are already loaded and ready to go, and they can also be replaced. Create your own bespoke lamp with your favourite liquor bottle, they make fantastic table decorations, or look great in your home bar. Two Cork LED lights includedCork 5cm TallFlame 4.6cm TallOrangey warm white flame, and bright white firefly LEDs