Pack of 2 Battery String Lights/20 Micro Starry LEDs on 5.3Ft Copper Wire/2xCR2032 Batteries Operated&Included/4 Extra Replace Batteries Included/Copper Wire/Warm White Very convenient Indoor & Outdoor Battery String Lights for Festival, Christmas, Wedding, Holiday and Party Flexible and extra-thin coppwer wire with insulated lacquer, lightweight, easy to move and bend, water drop shape, easy installation, energy saving, environmental friendly, and sturdy 360 sparkle for a beautiful effect. The LED lights do not overheat and are safe to touch. LED lights will last 50,000 hours with regular battery changes. 20 Super Bright Warm White Color LEDs on 5.25 Ft long copper wire with 3.15 Inches Distance Between LED Bulbs. Ultra Thin, Bendable but Sturdy Wire with LED Lights is Totally Submersible but NOT BATTERY BOX!Low voltage, For spare batteries, pls search B0136BFTWI