We are offering echo sounder. Multi-functions in small body and reasonable cost makes small professional fish boats as well as pleasure craft affording, high resolution color lcd offer you clear viewing. Hardness of bottom indicated by digit and graph helps you finding fish efficiently. As it is operated by internal batteries, you can install and use at any place, and you can carry it freely as it is folded in brack depth range: 0-3 , 0-5, 0-8, 0-10, 0-15, 0-20, 0-30,0-40, 0-50, 0-80, 0-100,0-125, 0-150, 0-200. Display : 4.3"tft color lcd.