sensitivity Sea Rod Alarm Light with an intelligent chip body that filters false signals, helping keep the rod in place and reducing unnecessary alarms. Clear and bright alarm sounds with oneclick power on and a fixed hook design, ensuring the rod tip light stays securely attached during fishing. Night fishing ready with a hexahedral lampshade for multiangle light scattering, delivering strong and noticeable brightness in low light conditions. Longlasting endurance powered by a CR1632 capacity battery, offering a 23 year lifespan to provide bite alerts while you watch the float. Use scenarios Night sea fishing from a pier or boat where you need reliable bite alerts without watching the rod continuously. Extended trips or remote fishing locations where frequent battery changes are impractical. Conditions with low visibility or movement where the fixed hook keeps the light attached and the alarm clearly visible.