Garmin Fishfinder 80

Features include:

One button touch gives you access to vital information—range, gain, and zoom—to find fish fast
High-contrast screen with 64 x 128 pixel, FSTN display
Backlit display and keypad
Unique, 180-degree swivel mount and quick-release mechanism
Depth Control Gain (DCG®) automatically adjusts sonar sensitivity by depth and delivers a highly detailed image of bottom structure
See-Thru® technology separates fish returns from thermoclines and underwater structure to remove the guesswork in interpreting fish arches
Fish symbols and depth shown on a large, four-inch (diagonal) monochrome display
Alarms for fish size and shallow water
Fish ID with optional fish depth numbers
Single-frequency 200-kHz transducer designed to accommodate mounting on either the transom or trolling motor
Memory backup for user settings
Automatic and user-adjusted zoom
600 foot depth capability*
Waterproof
Limited one-year warranty