Humminbird 728 5-Inch Waterproof Fishfinder and Dual-Beam Transducer 5-inch LCD display 640 vertical pixels; 16 level greyscale DualBeam PLUS sonar 1,500 ft depth capability Tilt and Swivel Quick Disconnect Mount 640 vertical pixels 16 level greyscale DualBeam PLUS sonar 1,500 ft depth capability Tilt and Swivel Quick Disconnect Mount