Product name: Fishing Fish Bite Alarm Electronic Buzzer Product size: 21*35.5mm/0.8*1.4in Product material: ABS Product features: 1, one-button boot, simple operation, intelligent chip body, effective filtering of false signals; 2, fixed hook design, arbitrary throwing rod is not easy to fall off; 3, night fishing view drift super eye-catching, the alarm is clear, loud and bright, fish faster; 4, the use of CR1632 large capacity battery, lasting power can be used for 2-3 years, long-term endurance; 5, honeycomb hexahedron lamp shade, multi-angle light scattering, play the maximum brightness Precautions: 1. As we all know , the different computers display colors differently, the color of the actual item may vary slightly from the following images. 2. If you feel difficult to choose the size, you can feel free to contact me we will give you some suggestion, but it is for you reference only. Package includes: 1 pc Fishing Fish Bite Alarm Electronic Buzzer