More accurate, easier to use and more portable Product Benefits. This is a portable fish finder that shows the approximate location and water depth of fish. The sonar transducer can be mounted on the hull of a kayak or boat to see how the water depth changes as it moves. In addition to fish depth and water depth, the hand-held fish finder can also display high and low weeds, sand and rocks on the bottom. Also, the unit of measurement for depth can be freely switched to feet or metres. When the backlight is on, the display is also visible in sunlight or in the dark. The fish finder is designed in such a way that it can be held with just one hand. In the package you will find a neck strap to wear around your neck when you are busy in your kayak or boat. Meanwhile, the 5-position sensitivity adjustment allows you to fish in both clear and murky water. When you put the sonar transducer in the water and turn on the display, you will be alerted when a fish or school of fish is swimming by. It is designed for the beginner angler. However, it is accurate enough for all fishing enthusiasts. This portable sonar is the ideal fishing device for ice fishing, kayak fishing, shore fishing and canoe fishing. It detects and displays the approximate water depth. Fish locations, fish alerts, weeds and rocks on the seabed. This is most valuable if you choose a fishing gadget to know the depth of the water and track the location of the fish. This is one of the best fishing gifts for men for birthdays, Father's Day, Christmas, New Year, Valentine's Day, Thanksgiving or anniversaries. It is also a great companion to take camping, hiking, on holiday or for survival in the wilderness. Clean the snow off the ice. Make sure the surface is smooth enough. Place the portable echosounder directly on the ice to detect the distribution of fish in order to select a spot to drill a hole. There should be no air between the sensor and the ice or between the ice and the water. Otherwise, the portable echosounder will not work properly. Cut a hole in the ice and place the fishing sonar transducer directly into the water. Kayak fishing Secure the side scanner adapter to the hull using the mounting clips. Place the fishing sonar sensor 1 inch underwater on the bottom of the hull. The speed of the kayak should be less than 5 miles per hour. Dock/shore fishing Secure the removable float to the transducer cable. Drop the fishing transducer as far into the water as possible. The fishing sonar transducer can be lowered by hand or with a fishing rod. Fishing from a boat When fishing from a boat it is helpful to have a portable sonar transducer that shows exactly how deep the water is and how deep the fish are. It is also a good fishing accessory for kayaks, float tubes, water skis, canoes etc. Fish alerts When the sonar detects fish and schools of fish, it will bounce a signal to the handheld sonar and then the device will alert you so you no longer have to worry about missing big fish. The sensitivity adjustment feature helps you get accurate depth data whether you are fishing in clear or murky water, by setting different sensitivity levels to help the fishing transducer distinguish between small and large fish. Backlight mode The LCD display can be read even in bright sunlight, while the backlight mode allows data to be read in the dark when fishing at night. Product parameters Detection depth range: 0.6m - 73m below the sensor. Power supply: 7 gauge battery (not included)