This fishing bite alarms indicator is combined with alarm, and its main function is to tighten the fishline on the roller of alarm. Standard 2.5mm plug fit all type bite alarms. Designed equally effective whether you are fishing with slack lines "under your rod top" or with tight lines at distances. Features Fishing swinger -Color: Black. -Material: Metal, Plastic. -Size: 33x20x4.5 cm/12.99x7.87x1.77 inch. When the fish comes to your hook, it will give you signal It will illuminate when working. Features: UNIVERSAL PLUG: bite alarm hanger adopts universal standard plug, which is fit for all kinds of bite alarms PACKAGE: LED illuminated set comes with 4 pcs, enough quantity for daily use MATERIAL: carp fishing swingers bite indicator adopts 304 stainless steel plus black coating made, more durable LED INDICATOR: fishing has a built-in LED light which lights up during a fish bite EASY TO USE: fishing with a reliable head, more easy to hold the line without the abrasion to the fishing line Package Includes: 1 Fishing Bite Alarm Listing and template services provided by inkFrog