1. Warning LED Light 2. Short Press to set the Tone; Press button for 3 seconds to set the Sensitivity (6 level) 3. High output speaker 4. British 3/8 thread bolt 5. Volume control, Mute; Press button for 3 seconds to Turn on/off 6. Extra jack for LED swinger 7. Red/Green/Blue/Yellow LED lights correspond to 4 fishing alarms 8. Volume control; Press button for 3 seconds to Turn on/off 9. Tone control Vibration 10. High output speaker Won’t find betyer quality alarms for the price!
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