Dreamworth Pack of 12 LED Moon Lights 20 Micro Starry LEDs on Silver Extra Thin Copper Wire, 2 x CR2032 Batteries Included, 7 Ft (2m) 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.