Micro LED Set of 12 Submersible Flower Tea Lights Waterproof LED Candle Lights (Green) 1) Approximately 1" tall and 1.25" wide 2) Typically lasts 30-40 hours (your results may vary) 3) Replaceable Batteries - There are 2 per light-#CR2032 (initial 2 batteries included) 4) Available in 9 colors - White, Pink, Orange, Purple, Red, Green, Blue, Amber and Multi-Color. 5) Submersible Bright Light for Wedding Arrangements, Center Pieces, Fish Tanks and much more.