The ONWA KFish-7 is a sonar-only fish finder without any navigation or structure scanning sonar. In terms of features, it can be compared with the Furuno FCV588 but has a smaller display. Although it does not have GPS and charts, it's a fish finder that can serve you well especially at sea as it offers a superior depth range. Key Features and Specifications Display: 7" … [Read more...] about ONWA KFish-7