Twinkle Star Christmas Light Projector, White Moving Snowflake Lights Led Landscape Spotlight for Holiday Outdoor Garden Christmas Party Decoration (Christmas String Lights) Submersible Bright Light for Wedding Arrangements, Center Pieces, Fish Tanks and much more Replaceable Batteries - There are 2 per light-#CR2032 (initial 2 batteries included) Typically lasts 30-40 hours (your results may vary) Approximately 1" tall and 1.25" wide available in 9 colors - White, Pink, Orange, Purple, Red, Green, Blue, Amber and Multi-color