YIHONG 6 PCS Fairy Lights LED String Lights Battery Operated 7.2ft 20 LEDs Firefly Lights Starry String Lights for Costume, Wedding, Bedroom, Halloween, Easter, Christmas Decoration (Warm White) A Terrific Designing Tool - You get 6 sets of string lights, each fairy string light is with 6.2 feet flexible thin copper wire and 20pcs glowing micro leds, you can use them to make your shiny fairy costume; illuminate your lovely dollhouse; decorate your wedding party centerpiece,your headpiece,wedding gown; put the fairy lights into a bottle or mason jars to DIY a fairy night light; or wrap them around your bike wheels and take a twinkling tour around the city with your friends. Mini Size, Battery Compartment easy to hide - The size of battery pack of the fairy string light is only 0.9*2 inches, which makes the fairy light very easy to hide, perfect for decorating your halloween trees, christmas trees, or clear dome umbrella, make cool jellyfish costume for your kids, or any other unique lighting projects you desire. Each String Light is powered by 2*Lithium Cells (included); battery compartment is with ON/OFF switch; no worries of where to find a outlet, simply switch on the fairy lights and make amazing costume decor or cosplay for Halloween, Christmas, wedding, New Years Eve and more. Waterproof  Insulate Copper wire and fully sealed make the firefly light possible to use both indoor and outdoor, suit for mason jar, wine bottles, bell jar and Easter Wreath Garland decorations. Battery operated string lights(NON PLUG-IN) -- Requires 2 coin batteries for each strand, which is included; An extra resistor was added to each string lights to stable the current and thus prolong the battery life to 72 hours with non-stop operation, perfect addition to any awesome decor ideas and create any mood from festive to romance, elegant to magical. Total length per string: 2.2M /7.2 feet Led Qty per light: 20 pieces Power Supply: 2x CR2032 Lithium Cells (included) Light Color: Warm White (2700K-2900K) Battery life: 72 hours Wire Color: Copper Color