Garmin Fishfinder 160C Affordable, waterproof fishfinder with sunlight-readable, 128 x 128 pixel, 16-color display See-Thru technology shows weak and strong returns simultaneously; Whiteline shows you how thick the bottom is Manually adjust the gain or set to Auto Gain, which adjusts the level of detail you see automatically Garmin's Ultrascroll refreshes the screen with lightning speed, for the most up-to-date information Perfect for recreational anglers who fish primarily in freshwater lakes