【Versatile Swinger】Features with 2.5mm plug, compatible with most bite alarms
【Internal LED】No batteries required, clear bobbins with internal led in 4 color, flashing and night making
【Improved Ball Clip system】Adjustable line clip can be adapt to any line diameter for excellent line maintenance and quick release during fish bite
【Fine Details】Integrated with all high quality materials, coated polished stainless steel, rigged plastic base and sealed long lifespan LED for long service time. Compact size and lightweight, easy for carry.
【Package】Pack of 4, including 1 Red, 1 Yellow, 1 Blue，1 Green in a durable plastic tackle box