Features 1、4 pcs swingers and 8 counter weigh packed in a storage box. 2、2.5mm plug for all bite alarms. 3、Changeable 7 colors of indicator light for personal preference. 4、Flashing after bite hook, great indicator during night fishing or in weak light environment. 5、Plug in your fishing alarm and powered by it, no extra power require, energy saving and convenient operation. 6、Come with counter weight for different fishing demands. Great fishing tool during night fishing or in weak light environment. Feature: 4 pcs swingers and 8 counter weigh packed in a storage box. 2.5mm plug for all bite alarms. Changeable 7 colors of indicator light for personal preference. Flashing after bite hook, great indicator during night fishing or in weak light environment. Plug in your fishing alarm and powered by it, no extra power require, energy saving and convenient operation. Come with counter weight for different fishing demands. Specification: Material: Metal,plastic Total length: 24.5cm / 9.6in Package weight: 773g / 1.7lb Box size: 28 * 12.5 * 5.5cm / 11.0 * 4.9 * 2.2in Package list: 4 * Fishing Alarm Swinger 8 * Counter Weigh 1 * Storage Box Package List 4 * Fishing Alarm Swinger 8 * Counter Weigh 1 * Storage Box