A31DS Fish Finder 100 m Portable Echo Sounder Sonar Sensor LCD Alarm Fish Finder Fish Locator Wireless Colour Portable Fishing Sonar Sensor LCD Depth Finder Echo Soldering

• With a portable fish finder, you can determine the water depth, fish location and objects on the ground (rocks, seaweed) in real time.
• Ideal for night fishing. The backlight mode brings the fluorescent effect at night or in dark environment to fish symbols.
• Display the soil structure (i.e. grass, rock and sand) and the water temperature
• With fish alarm, fish symbols and adjustable sensitivity adjustment - high sensitivity setting shows both large and small fish.
• The portable fish finder uses 4 AAA batteries for power. In energy-saving mode, the fish finder can work continuously for more than 6 hours.

fish finder