Humminbird PiranhaMAX 4 Fishfinder
Whether you're a recreational or professional angle, you'll appreciate the PiranhaMAX 4 from Humminbird. It features a 256-color 4.3 in. display. Power output is 300 watts with 2,400 watts peak to peak. You can mount the transducer either inside the hull or on the transom. Overall size with the included gimbal is 7.3 in. H x 3.9 in. W x 3.6 in. D.