This smallest bite alarm is very easy to fixed on the rod by rubber rope. Whe fish is eating the hook, the line will go on the line wheel and start the alarm. The alarm will inform the angler(fisherman) both by buzzer and led flashing. It is the cheapest and the most effective bite alarm. The specail design allow you to use it in rain and night fishing. The cells can work for hundreds of hours fishing. The alarm is fitted with the cells and packed in blister individually. We will send give full information about the alarm when receiving your inquiry.