Korum KSI6 Remote Bite Alarm Carp Fishing LED Electronic Bite Indicator K0360077Six sensitivity options The compact design with deep U rest provides great security The adjustable 3 8 screw thread and O Ring makes it easy to line up your alarms when fishing with buzz bars or rod pods Adjustable volume and tone also has six settings High output speaker features rain hood design Features latching LED to show both forward runs and drop backs Has low battery warning feature Indicator takes 2 x AAA batteries. (Batteries not included.)