Portable Wired Fish Finder Echo Sounder for Fishing Alarm Electronic Bite Signal Depth Sensor Boat Sonar This product is designed for the liker in fishing. The unit can be used in the river, the lake, or the sea. It can help you to find our the fish and the depth of the water. Especially, it can make you pleasure in fishing.Product Specification: Display Dot-matrix(192*96)LCDBacklighting White LEDPower 4-AAA alkaline batteriesMeasure unit Meter/feetSensor beam angle 45 degreeDepth range Max 100M/328FeetDepth range 0.6M/ 2 FeetOperational Temperature -18℃ - 50℃1.FAQ: How to use the Sonar Sensor 1.Toss the sensor and float into the water (Place the sensor and float in your hand, and toss underhand) 2.Attach the Side-Scan Adapter to the boat hull using the mounting tabs 3.Attach the sensor to a handle, lower the sensor into the water Attention 1.The product can show you how big the fish are, and you could adjust the Sensitivity setting. When the Sensitivity is high, it will show you both big fish and small fish; when low, it will only show you the big fish. 2.Extremely cold weather will impact the performance of the product. You’re suggested to keep the unit in temperatures above 0 degrees during operation. 3.Strong waves, suspended matter and muddy water may affect the performance. 4.Do not place the Sonar sensor directly on an icy surface, cut a hole in the ice first and then place the sonar in the water
