6-piece Set of 0.5-gou Green Electric Floats (Batteries Not Included) Electronic Floats, Floating Floats, Conical Floats, Acorn Floats 【Specifications】 Weight without 0.5-gou battery: 20.46g Buoyancy: 3g Size: Height 5.1cm, Diameter 3cm 【Freely Combinable】 0.5 Green, Red 0.8 Green, Red 1.0 Green, Red 1.5 Green, Red 2.0 Green, Red 2.5 Green, Red 3.0 Green, Red 4.0 Green, Red 5.0 Green, Red You can freely combine them. Discounts available for larger quantities. Compatible batteries are also sold. Usually ships the same day!!! I often go fishing and use these floats. They are easy to use both day and night, and they are very bright, so the light is clearly visible at night, and I can catch a lot of fish. Thank you.