Bright and bright colour is visible at night, floats vertically on the water. Made of lightweight nanophase materials with better buoyancy and sensitivity. The battery lasts 300 hours, so you don't have to worry about the float cannot be illuminated. Battery: CR425, 4.2 x 25.9 mm, 0.62 g, 3.0 V, 25 mAh, each float with a battery (individually packaged) Size: #1/#2/#3. Length: 13.0 cm/14 cm/15 cm. Floatability: 0.09 ml/1.3 ml/1.7 ml Perfect for catching fish such as panfish, rainbow trout, sea bass, catfish, carp etc. Parameters Product material: plastic SB-004: recommended rod length: 2.7-3.6 m. Recommended depth: 1-3 m. Lead consumption: 4.29 g. SB-005: Suggested Rod Length: 2.7-3.6m, Suggested Depth: 1-3m, Lead Consumption: 5.1g SB-006: Recommended rod length: 2.7-3.6 m. Recommended depth: 1-3 m. Lead consumption: 8 g. Product features: 1. Short and compact, quick to turn 2. Colour changing for bite alarms 3. After the color changing mode is not bright, the constant light mode can still be used for 3-4 hours. 4. Bright and bright color is visible at night, floats vertically on the water. 5. Made from lightweight nanophase materials with better buoyancy and sensitivity. 6. The battery lasts 300 hours, so you don't have to worry about the float cannot be illuminated. Battery: CR425. 7. 2 x 25.9 mm, 0.62 g, 3.0 V, 25 mAh, each float with a battery (individually packaged).