The phrase "fish finder" refers to a device that helps people who enjoy fishing to locate and find fish in the water. It uses sound waves to detect and display where the fish are in the ocean, lakes, or rivers. Full definition
Weight - Most of the portable fish finder reviews on our list are for models around a pound or less. (geekwrapped.com)
Built In GPS - A GPS fish finder combo allows you to map and keep track of good fishing spots and ones to avoid. (geekwrapped.com)
Dimensions - If you want a handheld fish finder that can actually be held comfortably in your hand, dimensions are an important spec! (geekwrapped.com)