FST, The Ultimate LED Swinger, Bite Indicators, 4 piece set in a carry case.

Description  The illuminated bite indicator is strong, firm and durable. Ensure longer service time. The built-in LED light will light up when you bite, and it has a reliable head, making it easier to hold the fishing line without fraying it 【Led lighting】 After the alarm is activated, the LED will glow. The built-in LED light will illuminate when the fish bites to give a fish alarm. It can be used with fishing alarm 【Sensitive bite too,  When a fish hook is involved, it sends out a signal and is very sensitive. Easy to install and use. Ideal equipment for fishing enthusiasts. Standard 2.5mm plug fits all types of bite alarms 【Function】 Each sweeper is equipped with 60 grams of stainless steel coating weight. Whether you use a slack line “under the top of the fishing rod” or a tight line fishing at a distance, you can design equally effectively 【Affordable】 The set includes 4 * Swinger, 1 * Zippered Case, an ideal combination, with a fishing alarm, it is worth having.