* 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. * Back-light for night fishing. * New illuminated Advanced RSS? with water surface temperature included. * Display powered by 8 replaceable AA batteries. (not included) * Includes one waterproof programmable Advanced RSS for either Channel A or B operation mode. * Ultra-wide sonar coverage equal to twice the water depth. * One-Touch? menu navigation easily controls FishID+?, depth range, fish alarm, and sensitivity. * Advanced RSS typically lasts for 500 hours of in-the-water usage. * Advanced RSS replacements available on this web site, at your local tackle dealer and major outdoor retailers. * Wet Switch? technology maximizes battery life by automatically shutting down when the Advanced Remote Sonar Sensor is out of water. * Waterproof design.