1、Double-sided buckle, can be directly installed on the fishing rod. 2、When a fish bites the hook, a signal is generated through the line and immediately triggers the switch on the alarm device. 3、The warning lights are very bright and visible 100 metres away, making it easy to fish at night. 4、When the alarm is power off, and the power can be cut off, can effectively protect the battery life. 5、Suitable for all fishing lovers, will enable you not to miss any bite and makes your fishing easier. Features: Double-sided buckle, can be directly installed on the fishing rod. When a fish bites the hook, a signal is generated through the line and immediately triggers the switch on the alarm device. The warning lights are very bright and visible 100 metres away, making it easy to fish at night. When the alarm is power off, and the power can be cut off, can effectively protect the battery life. Suitable for all fishing lovers, will enable you not to miss any bite and makes your fishing easier. Specification: Material: Plastic Color: as picture shown Battery: 3 x AG13 button battery (not included) Package List: 1 x Fishing Bite Indicator (Battery Not Included)