Easy to use -Each strand is made of real copper wire(silver coated, which is fexible, strong and sturdy, you can wrap it on your wreath, Christmas, drop into mason jars or anything you like to decorate -These fairy lights give out a comfortable cool white light, great for ambience creation -The mini string lights applied ultra bright micro leds, shining, cute and long life Battery powered, small and portable - Powered by 2 x CR2023 batteries (included), no plug in, no outlet need, which is portable, you can carry it easily, place anywhere you like -The battery compartment is very small(2X0.87 inches),which is super easy to use and hide. - Pre-installed quality batteries, which last over 72hours for constant use and longer if use with breaks - The voltage of each battery is 3V, so the lights are very safe to touch, no risks, you can place them anywhere you like, your teepee, your wedding centerpiece, your mason jars and so on Wide applications These led string lights are perfect for wedding party Halloween Christmas holiday table decorations and your crafts DIY project Specifications Power Supply: 2x CR2032 battery (included) LED Color: Cool white LED Quantity Per Strand :20pcs Copper Wire Length: 3.3FT Cable Color: silver Waterproof: IP67 (Please note only the copper string parts are waterproof, NOT the battery holder)