The Blue 160 was designed for the offshore fishing enthusiasts, with increased power and dual operating frequencies of 50/200kHz. Features Garmin's exclusive Depth Control Gain (DCG), which adjusts sounder sensitivity by depth, resulting in a more detailed picture of bottom structure. The 160 also has Garmin's exclusive - See-Thru technology, which separates fish from thermoclines and structure, giving you a clear picture of what's beneath your boat. The Fishfinder 160 has 500 watts (RMS) of dual frequency operation (50/200khz), with a max depth range of 1500'. The display is a FSTN, four level gray scale with 160 x 160 pixels. Screen dimensions 3.3''W x 3.3''H.