Signstek Set of 24 Submersible Waterproof Wedding Underwater Tea Light Sub LED Light Perfect for lighting up vases, bowls, or any containers are filled water Can be turned on or off by twisting the base of unit Submersible,waterproof,flameless and high safety Come with 2 x CR2032 Submersible Batteries, which are replaceable Important Notice: please turn on the light and remove the scrip inside of light before using it.