LIIDA String Lights, 3 Sets of Led Fairy String Lights 20 LED Micro Moon Lights On 6.6FT Silver Wire for DIY Wedding Centerpiece, Party (Warm White) String lights length: 6.6 Feet, light string is submersible Small battery pack is easy to hide, non submersible battery pack Only 2 CR2032 batteries ( include ) are required to work. The batteries can last for 48+ hrs non-stop operating time, more with breaks Simple button cell power, Includes: On and off switch The copper wires are flexible and easily mold into any shape that you desire