1 Piece Electronic Fishing Alarm Fish Bite Wireless LED Indicator Bell Fishing Tools describe: Product name: fishing alarm. Material: PC, rubber Use scenarios: sea otter, long shot, rock fishing Recommendation: diameter less than 27.5 mm Batteries: 3 button cells (batteries not included), model LR44 feature: The fish catches the hook for about 1 second and the alarm sounds twice; if the fish catches the hook for more than a second, the alarm continues to sound for 10 seconds, transmitting the information accurately. Dual alarm bell; stress-free for night fishing, the red light is prominent and the distance is clear. PC shell, resistant to falls. Buffer alerts provide greater accuracy. Significant improvement in the catch rate of fish. The adjustable strap has ten rows of holes that can be modified according to the diameter. Recommendation: diameter less than 27.5 mm The non-slip sitting base, with a slot design, ensures a tighter combination and is less likely to shake after fixing. Made from rubber, which is soft and elastic, leaving no marks. Special Note: Please remove the fishing line from the alarm after use. Package included: 1PCS Fishing Alarm