Hapyson FS Ball with Red YF-315-R Hook,

[Battery life] Approximately 6 hours continuously [Light source] High-brightness LED (chip type) [Size] Approx. φ20 x 31.5 mm [Weight] YF-315 approximately 6.0g Ready-to-use battery included: (Uses one Happison lithium battery BR311) 12 items with selectable sinking speed! YF-315 Fast Sinking FS (sinking speed: approx. 5 seconds/m *2) Approx. 6.0g *2 Sinking speed is at a salinity of 3% The sinking speed is set to about 5 seconds, so you can ride the current and carry it to the fishing spot even under difficult conditions such as in areas with strong currents or on windy days.