Humminbird 777c2 5-Inch Waterproof Fishfinder With Dual-Beam Transducer Robust fish finder delivers crystal clear views of the bottom, fish and structure with hemispherical viewing Brilliant color, 5-inch, sunlight viewable LCD display with 640 x 480 lines of resolution Dual-beam, with 20-, and 60-degree beam angles and reliable down to 1,500 feet Water temperature and speed paddlewheel 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