Convenient for checking the line direction when casting.
You can see which way your lure went.
Would help the lure's depth stable by watching angle of the line.
Easy to know the speed of current as well.
It would help you make a knot in the dark.
You will be able to let the line go through the rod guides.
Possible to charge the light in glow type lures in short time.
Light and compact type made it mounted on the caps.
Battery : AAA cell x 1 (sold separately)

Durability （continuous use in temperature 20℃ with Panasonic alkali battery)
White light : 7.5 hours
NSV : 0.5 hours

Size : W)53㎜ X D)34㎜ X H)29㎜
Weight : 29g(including Panasonic alkali battery)