●4 Pack 50 LEDs 16ft Warm White Fairy Lights Battery Operated 2*AA Battery case ( 8PCS AA Batteries Included) ●Timer and memory function: Under timing mode (6h on, 18h off), the led fairy lights greatly save energy and you can expect up to 1 month of illumination for the whole Christmas season. Memory function means it will work in this mode next time and you dont need to worry about resetting until batteries run out. ●Safe and portable: As the lights are battery operated, they are extremely safe and friendly to family with kids. Compact in size, so theyre very easy for you to carry around either for outdoor party, camping or having a alfresco dinner. The outdoor lights battery operated just come very handy to build the right ambience. ●Dustproof and waterproof: Dustproofing and waterproofing to IP65 level means you can operate the lights outdoors regardless of undesirable weather conditions like rain, snow, fog, etc. The rubber ring built in the battery box enhances the waterproof performance to a greater level. (Please note we do not advise you to immerse the lights under water directly for a long time.) ●Nice outdoor addition: Compared to many varieties of plug-in string lights on the markets, Koopower fairy light powered by 2PCS AA batteries case (8PCS AA Batteries Included) enchants your outdoor space/landscape without having to run electric from hard-to-reach outlets