Pack of 6 LED Moon Starry Lights with 20 Fairy Micro LEDs on 7feet/2meter Copper Coated Copper Wire, 2 x CR2032 Battery Power(Included), for DIY Wedding Centerpiece or Table Decorations (Warm White) 7 Feet in length Light string is submersible Battery pack not submersible Includes on and off switch.21 Hours of battery life. Small battery pack is easy to hide. Low voltage,For spare batteries, pls search B0136BFTWI