This Illuminated Sliding Weight Swing Indicator from Ultimate has a sliding counterweight that allows for a very precise adjustment of line tension. The Swing Indicator can be adjusted to any circumstance and registers even the lightest bites. Can be used for subtle fishing close to the shore but also for registering rebounds when fishing from a great distance. Equipped with LED lighting and a power-out cable for connection to the bite alarm. Perfect for all forms of carp fishing and available in a range of colors.