DESC: Key Features: •Big 3 7/8" diagonal display with 160V x 132H resolution. •Rugged carry case with non-skid bottom and RSS storage. •True 4-Level Grayscale delivers clearly better images of the bottom, fish and structure. •100 ft remote operating range, 100 ft depth capability. •Large, easy to see digital depth readout. •Backlight for night fishing. •New illuminated Advanced RSS™ with water surface temperature included. •Display powered by 8 replaceable AA batteries (not included). •Includes one waterproof programable RSS (Channel A). Additional Features: •Ultra-wide sonar coverage equal to twice the water depth. •One-touch menu navigation easily controls FishID, Depth Range, Fish Alarm, and Sensitivity. •Remote Sonar Sensor typically lasts for 400 hours of in-the-water usage. •Remote Sonar Sensor replacements available. •Wet Switch™ technology maximizes battery life by automatically shutting down when the Remote Sonar Sensor is out of water. •Waterproof design. Spec