Submersible LED Decor Tea Light * Wedding or Events * (Pack of 10) - Amber Available in 9 colors - White, Pink, Orange, Purple, Red, Green, Blue, Amber and Multi-color Approximately 1" tall and 1.25" wide Typically lasts 30-40 hours (your results may vary) Replaceable Batteries - There are 2 per light-#CR2032 (initial 2 batteries included) Submersible Bright Light for Wedding Arrangements, Center Pieces, Fish Tanks and much more.