Universal 2.5mm Plug: bite alarm hanger swinger adopts universal standard plug, which is fit for all kinds of bite alarms 4Pieces Set: fishing illuminated indicator set comes with 4 pcs, enough quantity for daily use Material: carp fishing swingers bite indicator adopts stainless steel plus black coating made, more Led Indicator: bite alarm hanger swinger has a built-in LED light which lights up during a fish bite Easy To Use: fishing swinger with a reliable head, more easy to hold without the abrasion to the fishing line<br><br>Colour:black Material:ABS Size:5 x 20 x 33cm<br><br>Package Contents: 4 x Fishing swinger 1 x Case<br><br>Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.