Features: 1.Gravity sensor chip, innovative black technology gravity sensor, easy to protect night fishing! 2.Plastic battery compartment, plastic interface is wear-resistant and corrosion-resistant, which can effectively avoid water seepage 3.Tight thread, tight interface thread, high waterproof performance, advantages of gravity sensor electronic drift 4.The color-changing electronic bleaching can reduce visual fatigue, improve fish information, and increase the rate of catching fish. 5.Made by Enviroment Friendly Paint and Top Grade Balsa Wood. Best Fishing Floats for Rock Fishing, Saltwater or Freshwater Fishing Notice: Actual color may be slightly different from the image due to different monitor and light effect Please allow 1-3cm deviation due to manual measurement 1.Material: composite material 2.Style:12styles Package List: 1/2/3/4/5/6/7*Float