It is a new arrival fishing fishfinders from LUCKY fish finder series. The air pressure readout function and optional fishing mode are its outstanding functions that only exists in this model. How to use it? 1.Fixed the sonar transducer...

Use the sonar sounder in normal ways Fix the float position in advance. Toss the sensor and float into the water. For kayak fishing 1. Attach the Side-Scan Adapter to the boat hull using the mounting tabs; 2. Break though the hull of a boat....