Adjustable SensitivityLixada Fishing Rod Alarm is equipped with loud siren and LED indicator. Tone, volume and sensitivity can be adjusted according to your needs.LED Light AlertHigh-sensitivity fishing bite alert provides a relaxing and comfortable fishing environment. When the fish swallows the bait, the LED light will flash and the speaker will sound an alarm.Waterproof for FishingThe design is lightweight and waterproof, which can avoid sudden damage when fishing. Rod bait alarms can ignore most current or wind noise, reducing false alarms in most situations.Easy to InstallYou just need to clip this siren to the pole, then wrap the fishing line around the siren, then turn on the power switch. Small and exquisite design, easy to carry.Wide UsePerfect for night fishing, in complete darkness, they not only make a sound, but also glow when the fish hits or runsNo battery, applicable battery is 9V multi-layer battery