Pack of 3 sets LED Moon Lights 20 Micro Starry LEDs on Silver Extra Thin Copper Wire,3.5 Ft (1m) for DIY Wedding Centerpiece or Table Decorations (Warm White) 4.5 Feet in length Light string is submersible Battery pack not submersible Includes on and off switch 20 Hours of battery life. Small battery pack is easy to hide.Low voltage,For spare batteries, pls search B0136BFTWI