Bluedot Trading Submersible Waterproof LED Candle Tea Lights for Decoration, Wedding Centerpieces, or Parties, Pools, Vases, or Fountains, White, 24-Pack

To use: Untwist the top portion of the light and remove the plastic circle that is on top of the first battery. Tighten the two halves until led turns off to stop the light. To replace the batteries, twist the two halves until they open. Dispose of battery properly or recycle it. Insert new CR2032 batteries with + side face down in the battery compartment. Tighten up the two halves. W