2.14″

Made of high impact poly carbonate. Two A-76 1.5 volt batteries are included (and sold separately). Shock resistant, light emitting diode, never needs replacing. Visibility up to 200 fee. Can be used for marking trot lines. Can be removed without cutting line, removing bait, hook or sinker. Allows line to slip freely when used as slip floater. Use for day and night fishing.