Dreamworth Pack of 12 LED Moon Lights 30 Micro Starry LEDs on Silver Extra Thin Copper Wire, 2 x CR2032 Batteries Included, 10 Ft (3m) for DIY Wedding Centerpiece or Table Decorations (Warm White) 10 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.