¡¾Intelligent¡¿The fishfinder can intelligently distinguish big fish, small fish and miscellaneous fish and can easily filter them. Through the 5 level sensitivity setting, The hine can easily filter fish information according to your needs,so that you can enjoy different fun in fishing. finder muddy water intelligent fishing device ¡¾Wired Sonar Senso¡¿The fishfinder has 200KHz sonar frequency, 45 degree sonar detection angle and 0.7?100m sonar detection depth. In addition, this fishfinder has a detection depth of 100m and a detection frequency of 433.92MHz. Wired fish finder sonar fish finder English underwater fish ¡¾Portable ¡¿ The portable fish finder is easy to use and operate. You can either put it in your pocket or it around your neck. The sonar fishing finder can help you better determine the activity of the fish, correspond to the fish's demand for temperature, better judge the time of hooking, and never worry about there is no harvest. ¡¾Water Depth Display¡¿ The portable fish finder could display many useful data for fishing, such as water depth, fish location, weeds, rocks, sands and so on. You can judge the approximate types of fish and fish schools by the water depth readout of the portable fish finder from your fishing experience. ¡¾WIDE APPLICATION¡¿ The wired fish finder is suitable for various fishing methods, such as ice fishing, river fishing, sea fishing, shore fishing, kayak fishing, etc.You can cast the sonar sensor transducer into the water or tie it on your boat hull. Good use for ice fishing, kayak fishing, sea fishing, etc.