Humminbird 747c 5-Inch Waterproof Fishfinder Maximum resolution and power with pro-grade performance, expandable and upgradeable fishing system 5-inch, TFT LCD display with 320 x 240 pixels of resolution in 256 colors for enhanced separation 60-degree, and 20-degree beam for both fish location better bottom definition to 1,500 feet Water temperature and speed capability included, and GPS ready Measures 6.9 x 7.7 x 4.5 inches (W x H x D), and backed by limited 1-year warranty