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I am not able to use these on my poles. You can not have any tension on your line else the alarm goes off. I'm am very disappointed with these. I open 1 box put it on my catfish pole while sitting in my garage. There is no tension adjustment on these alarms.
Too sensitive for fishing in the ocean , alarm keep activating. when i purchase almost ending of fishing season. I did not get a chance to test. Wait for next year and now is to late for me to return it.