This single piece alarm is designed for pairing with Optimus 2+1 or Optimus 3+1 bite alarm set!
Czech brand Zfish presents all new and uniqe bite alarms called Optimus. Bite alarms are really easy to handle. You can adjust volume, tone and sensitivity. LED diod for single one bite alarm is yellow. Sound and visual signalization differs when you have classical take and/or drop back. Bad weather resistence is standard, bite alarms are waterproof.
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